Expansion around the vacuum equation of state: Sudden future singularities and asymptotic behavior

Physical Review D - Particles, Fields, Gravitation and Cosmology

Volumn 71, Issue 8, 2005, Pages 1-9

  Stefancic H ^a  

^a RUDER BO KOVI INSTITUTE   (Croatia)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; COSMOLOGICAL PHENOMENA; COSMOS; DENSITY; ENERGY; MATHEMATICAL ANALYSIS; NUCLEAR PHYSICS; THEORETICAL MODEL; VACUUM;

EID: 18444372930     PISSN: 15507998     EISSN: 15502368     Source Type: Journal    
DOI: 10.1103/PhysRevD.71.084024     Document Type: Article

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47. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
48. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
49. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
50. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
51. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
52. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
53. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
54. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
55. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
56. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
57. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
58. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
59. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
60. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
61. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
62. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
63. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
64. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
65. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
66. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
67. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
68. V. Faraoni, Int. J. Mod. Phys. D 11, 471 (2002); B. McInnes, J. High Energy Phys. 08 (2002) 029; S. Nojiri and S. D. Odintsov, Phys. Lett. B 562, 147 (2003); S. Nojiri and S. D. Odintsov, Phys. Lett. B 565, 1 (2003); P. Singh, M. Sami, and N. Dadhich, Phys. Rev. D 68, 023522 (2003); G. W. Gibbons, hep-th/0302199; L. P.Chimento and R. Lazkoz, Phys. Rev. Lett. 91, 211301 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 68, 083514 (2003); Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); M. P. Dabrowski, T. Stachowiak, and M. Szydlowski, Phys. Rev. D 68, 103519 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 67, 107303 (2003); J. G. Hao and X. Z. Li, Phys. Rev. D 70, 043529 (2004); V. Faraoni, Phys. Rev. D 68, 063508 (2003); V. B. Johri, Phys. Rev. D 70, 041303 (2004); M. Sami and A. Toporensky, Mod. Phys. Lett. A 19, 1509 (2004); E. Elizalde and J. Quiroga Hurtado, Mod. Phys. Lett. A 19, 29 (2004); I. Brevik, S. Nojiri, S. D. Odintsov, and L. Vanzo, Phys. Rev. D 70, 043520 (2004); P. F. Gonzalez-Diaz, Phys. Rev. D 69, 063522 (2004); J. M. Aguirregabiria, L. P. Chimento, and R. Lazkoz, Phys. Rev. D 70, 023509 (2004); M. Bouhmadi-Lopez and J. A. Jimenez Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); Y.-H. Wei and Y. Tian, Class. Quant. Grav. 21, 5347 (2004); L. P. Chimento and R. Lazkoz, astro-ph/0405518; P. H. Frampton and T. Takahashi, Astropart. Phys. 22, 307 (2004); E. Babichev, V. Dokuchaev, and Yu. Eroshenko, Class.Quant. Grav. 22, 143 (2005); B. Feng, M. Li, Y.-S. Piao, and X. Zhang, astro-ph/0407432; P. F. Gonzalez-Diaz and C. L. Siguenza, Nucl. Phys. B697, 363 (2004); S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); R. Holman and S. Naidu, astro-ph/0408102; Z.-K. Guo, Y.-S. Piao, X. Zhang, and Y.-Z. Zhang, Phys. Lett. B 608, 177 (2005); P. Scherrer, Phys. Rev. D 71, 063519 (2005).
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