Patch dualities and remarks on nonstandard cosmologies

Physical Review D - Particles, Fields, Gravitation and Cosmology

Volumn 71, Issue 2, 2005, Pages

  Calcagni, Gianluca ^a,b  

^a UNIVERSITY OF PARMA   (Italy)

^b INFN SEZIONE DI ROMA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; BRANE; COSMIC RADIATION; COSMOLOGICAL PHENOMENA; COSMOS; ENERGY; FRIEDMANN EQUATION; MATHEMATICAL ANALYSIS; MATHEMATICAL MODEL; PATCH DUALITY; PHANTOM;

EID: 84927745579     PISSN: 15507998     EISSN: 15502368     Source Type: Journal    
DOI: 10.1103/PhysRevD.71.023511     Document Type: Article

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41. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
42. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
43. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
44. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
45. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
46. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
47. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
48. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
49. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
50. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
51. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
52. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
53. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
54. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
55. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
56. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
57. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
58. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
59. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
60. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
61. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
62. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
63. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
64. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
65. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
66. Y.-S. Piao and E. Zhou, Phys. Rev. D 68, 083515 (2003); P. P. González-Díaz, Phys. Lett. B 586, 1 (2004); Y.-S. Piao and Y.-Z. Zhang, Phys. Rev. D 70, 063513 (2004); O. Bertolami, A. A. Sen, S. Sen, and P. T. Silva, Mon. Not. R. Astron. Soc. 353, 329 (2004); J. D. Barrow, Classical Quantum Gravity 21, L79 (2004); J. Hao and X. Li, astro-ph/0404154; Z.-K. Guo, Y.-S. Piao, and Y.-Z. Zhang, Phys. Lett. B 594, 247 (2004); M. Bouhmadi-López and J. A. Jiménez-Madrid, astro-ph/0404540; E. Elizalde, S. Nojiri, and S. D. Odintsov, Phys. Rev. D 70, 043539 (2004); S. Nojiri and S. D. Odintsov, Phys. Lett. B 595, 1 (2004); L. P. Chimento and R. Lazkoz, gr-qc/0405020; A. Gruzinov, astro-ph/0405096; P. H. Frampton and T. Takahashi, astro-ph/0405333; L. P. Chimento and R. Lazkoz, astro-ph/0405518; S. D. H. Hsu, A. Jenkins, and M. B. Wise, Phys. Lett. B 597, 270 (2004); P. F. González-Díaz and J. A. Jiménez-Madrid, hep-th/0406261; S. Nojiri, hep-th/0407099; S. K. Srivastava, astro-ph/0407048; A. Vikman, astro-ph/0407107; E. Babichev, V. Dokuchaev, and Y. Eroshenko, astro-ph/0407190; P. H. Frampton, astro-ph/0407353; P. F. González-Díaz and C. L. Sigüenza, astro-ph/0407421; P. Wu and H. Yu, astro-ph/0407424; B. Feng, M. Li, Y.-S. Piao, and X. Zhang, hep-th/0408225; F. C. Carvalho and A. Saa, Phys. Rev. D 70, 087302 (2004); W. Fang, H. Q. Lu, Z. G. Huang, and K. F. Zhang, hep-th/0409080.
67. J. Khoury, B. A. Ovrut, P. J. Steinhardt, and N. Turok, Phys. Rev. D 64, 123522 (2001); R. Kallosh, L. Kofman, and A. Linde, Phys. Rev. D 64, 123523 (2001); R. Kallosh, L. Kofman, A. Linde, and A. Tseytlin, Phys. Rev. D 64, 123524 (2001).
68. J. Khoury, B. A. Ovrut, P. J. Steinhardt, and N. Turok, Phys. Rev. D 64, 123522 (2001); R. Kallosh, L. Kofman, and A. Linde, Phys. Rev. D 64, 123523 (2001); R. Kallosh, L. Kofman, A. Linde, and A. Tseytlin, Phys. Rev. D 64, 123524 (2001).
69. J. Khoury, B. A. Ovrut, P. J. Steinhardt, and N. Turok, Phys. Rev. D 64, 123522 (2001); R. Kallosh, L. Kofman, and A. Linde, Phys. Rev. D 64, 123523 (2001); R. Kallosh, L. Kofman, A. Linde, and A. Tseytlin, Phys. Rev. D 64, 123524 (2001).
70. J. Khoury, B. A. Ovrut, N. Seiberg, P. J. Steinhardt, and N. Turok, Phys. Rev. D 65, 086007 (2002).
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72. R. Brandenberger and F. Finelli, J. High Energy Phys. 11 (2001) 056; D.H. Lyth, Phys. Lett. B 526, 173 (2002); S. Tsujikawa, Phys. Lett. B 526, 179 (2002); P. J. Steinhardt and N. Turok, Phys. Rev. D 65, 126003 (2002); J. Martin, P. Peter, N. Pinto-Neto, and D. J. Schwarz, Phys. Rev. D 65, 123513 (2002); J. Khoury, B. A. Ovrut, P. J. Steinhardt, and N. Turok, Phys. Rev. D 66, 046005 (2002); R. Durrer and F. Vernizzi, Phys. Rev. D 66, 083503 (2002); S. Tsujikawa, R. Brandenberger, and F. Finelli, Phys. Rev. D 66, 083513 (2002); J. Martin, P. Peter, N. Pinto-Neto, and D. J. Schwarz, Phys. Rev. D 67, 028301 (2003); A. J. Tolley, N. Turok, and P. J. Steinhardt, Phys. Rev. D 69, 106005 (2004); P. J. Steinhardt and N. Turok, astro-ph/0404480.
73. R. Brandenberger and F. Finelli, J. High Energy Phys. 11 (2001) 056; D.H. Lyth, Phys. Lett. B 526, 173 (2002); S. Tsujikawa, Phys. Lett. B 526, 179 (2002); P. J. Steinhardt and N. Turok, Phys. Rev. D 65, 126003 (2002); J. Martin, P. Peter, N. Pinto-Neto, and D. J. Schwarz, Phys. Rev. D 65, 123513 (2002); J. Khoury, B. A. Ovrut, P. J. Steinhardt, and N. Turok, Phys. Rev. D 66, 046005 (2002); R. Durrer and F. Vernizzi, Phys. Rev. D 66, 083503 (2002); S. Tsujikawa, R. Brandenberger, and F. Finelli, Phys. Rev. D 66, 083513 (2002); J.
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75. R. Brandenberger and F. Finelli, J. High Energy Phys. 11 (2001) 056; D.H. Lyth, Phys. Lett. B 526, 173 (2002); S. Tsujikawa, Phys. Lett. B 526, 179 (2002); P. J. Steinhardt and N. Turok, Phys. Rev. D 65, 126003 (2002); J. Martin, P. Peter, N. Pinto-Neto, and D. J. Schwarz, Phys. Rev. D 65, 123513 (2002); J. Khoury, B. A. Ovrut, P. J. Steinhardt, and N. Turok, Phys. Rev. D 66, 046005 (2002); R. Durrer and F. Vernizzi, Phys. Rev. D 66, 083503 (2002); S. Tsujikawa, R. Brandenberger, and F. Finelli, Phys. Rev. D 66, 083513 (2002); J. Martin, P. Peter, N. Pinto-Neto, and D. J. Schwarz, Phys. Rev. D 67, 028301 (2003); A. J. Tolley, N. Turok, and P. J. Steinhardt, Phys. Rev. D 69, 106005 (2004); P. J. Steinhardt and N. Turok, astro-ph/0404480.
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