Multi-field inflation with a random potential

Journal of Cosmology and Astroparticle Physics

Volumn 2009, Issue 4, 2009, Pages

  Henry Tye, S H ^a   Xu, Jiajun ^a   Zhang, Yang ^a  

^a Newman Laboratory for Elementary Particle Physics   (United States)

Author keywords

Cosmological perturbation theory; Inflation; Physics of the early universe; String theory and cosmology

Indexed keywords

EID: 70350651971     PISSN: 14757516     EISSN: 14757516     Source Type: Journal    
DOI: 10.1088/1475-7516/2009/04/018     Document Type: Article

References (68)

1. A.A. Starobinsky, 1985 Multicomponent de Sitter (inflationary) stages and the generation of perturbations, JETP Lett. 42 152
2. A.A. Starobinsky, 1985 Pisma Zh. Eksp. Teor. Fiz. 42 124
3. A.R. Liddle, A. Mazumdar and F.E. Schunck, 1998 Assisted inflation, Phys. Rev. D 58 061301 [astro-ph/9804177]
4. E.J. Copeland, A. Mazumdar and N.J. Nunes, 1999 Generalized assisted inflation, Phys. Rev. D 60 083506 [astro-ph/9904309]
5. S. Dimopoulos, S. Kachru, J. McGreevy and J.G. Wacker, 2008 N-flation, J. Cosmol. Astropart. Phys. JCAP08(2008)003 [hep-th/0507205]
6. T.W. Grimm, 2008 Axion inflation in type II string theory, Phys. Rev. D 77 126007 [0710.3883]
7. D. Battefeld, T. Battefeld and A.-C. Davis, 2008 Staggered multi-field inflation, J. Cosmol. Astropart. Phys. JCAP10(2008)032 [0806.1953]
8. D. Battefeld and T. Battefeld, 2009 Multi-field inflation on the landscape, J. Cosmol. Astropart. Phys. JCAP03(2009)027 [0812.0367]
9. A. Misra and P. Shukla, 2008 Large volume axionic Swiss-cheese inflation, Nucl. Phys. B 800 384 [0712.1260]
10. A. Misra and P. Shukla, 2009 'Finite' non-Gaussianities and tensor-scalar ratio in large volume Swiss-cheese compactifications, Nucl. Phys. B 810 174 [0807.0996]
11. S. Kachru, R. Kallosh, A. Linde and S.P. Trivedi, 2003 De Sitter vacua in string theory, Phys. Rev. D 68 046005 [hep-th/0301240]
12. P. Svrek and E. Witten, 2006 Axions in string theory, J. High Energy Phys. JHEP06(2006)051 [hep-th/0605206]
13. R. Easther and L. McAllister, 2006 Random matrices and the spectrum of N-flation, J. Cosmol. Astropart. Phys. JCAP05(2006)018 [hep-th/0512102]
14. A. Aazami and R. Easther, 2006 Cosmology from random multifield potentials, J. Cosmol. Astropart. Phys. JCAP03(2006)013 [hep-th/0512050]
15. S.-H. Henry Tye, A new view of the cosmic landscape, [hep-th/0611148]
16. S.-H. Henry Tye, A renormalization group approach to the cosmological constant problem, [0708.4374]
17. Q.-G. Huang and S.-H. Henry Tye, The cosmological constant problem and inflation in the string landscape, [0803.0663]
18. K. Freese and D. Spolyar, 2005 Chain inflation: 'bubble bubble toil and trouble', J. Cosmol. Astropart. Phys. JCAP07(2005)007 [hep-ph/0412145]
19. S. Watson, M.J. Perry, G.L. Kane and F.C. Adams, 2007 Inflation without inflaton(s), J. Cosmol. Astropart. Phys. JCAP11(2007)017 [hep-th/0610054]
20. K. Freese, J.T. Liu and D. Spolyar, Chain inflation via rapid tunneling in the landscape, [hep-th/0612056]
21. Q.-G. Huang, 2007 Simplified chain inflation, J. Cosmol. Astropart. Phys. JCAP05(2007)009 [0704.2835]
22. D. Chialva and U.H. Danielsson, 2009 Chain inflation and the imprint of fundamental physics in the CMBR, J. Cosmol. Astropart. Phys. JCAP03(2009)007 [0809.2707]
23. D. Chialva and U.H. Danielsson, 2008 Chain inflation revisited, J. Cosmol. Astropart. Phys. JCAP10(2008)012 [0804.2846]
24. H. Davoudiasl, S. Sarangi and G. Shiu, 2007 Vacuum sampling in the landscape during inflation, Phys. Rev. Lett. 99 161302 [hep-th/0611232]
25. R. Allahverdi, A.R. Frey and A. Mazumdar, 2007 Graceful exit from a stringy landscape via MSSM inflation, Phys. Rev. D 76 026001 [hep-th/0701233]
26. S. Sarangi, G. Shiu and B. Shlaer, 2009 Rapid tunneling and percolation in the landscape, Int. J. Mod. Phys. A 24 741 [0708.4375]
27. D.I. Podolsky, J. Majumder and N. Jokela, 2008 Disorder on the landscape, J. Cosmol. Astropart. Phys. JCAP05(2008)024 [0804.2263]
28. D.I. Podolsky, 2009 Dynamical renormalization group methods in theory of eternal inflation, Grav. Cosmol. 15 69 [0809.2453]
29. X. Chen, R. Easther and E.A. Lim, 2008 Generation and characterization of large non-Gaussianities in single field inflation, J. Cosmol. Astropart. Phys. JCAP04(2008)010 [0801.3295]
30. WMAP collaboration, M.R. Nolta et al., 2009 Five-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: angular power spectra, Astrophys. J. Suppl. 180 296 [0803.0593]
31. D.A. Easson, R. Gregory, D.F. Mota, G. Tasinato and I. Zavala, 2008 Spinflation, J. Cosmol. Astropart. Phys. JCAP02(2008)010 [0709.2666]
32. M.-X. Huang, G. Shiu and B. Underwood, 2008 Multifield DBI inflation and non-Gaussianities, Phys. Rev. D 77 023511 [0709.3299]
33. D. Langlois and S. Renaux-Petel, 2008 Perturbations in generalized multi-field inflation, J. Cosmol. Astropart. Phys. JCAP04(2008)017 [0801.1085]
34. D. Langlois, S. Renaux-Petel, D.A. Steer and T. Tanaka, 2008 Primordial fluctuations and non-Gaussianities in multi-field DBI inflation, Phys. Rev. Lett. 101 061301 [0804.3139]
35. D. Langlois, S. Renaux-Petel, D.A. Steer and T. Tanaka, 2008 Primordial perturbations and non-Gaussianities in DBI and general multi-field inflation, Phys. Rev. D 78 063523 [0806.0336]
36. F. Arroja, S. Mizuno and K. Koyama, 2008 Non-Gaussianity from the bispectrum in general multiple field inflation, J. Cosmol. Astropart. Phys. JCAP08(2008)015 [0806.0619]
37. D. Wands, K.A. Malik, D.H. Lyth and A.R. Liddle, 2000 A new approach to the evolution of cosmological perturbations on large scales, Phys. Rev. D 62 043527 [astro-ph/0003278]
38. D.H. Lyth, K.A. Malik and M. Sasaki, 2005 A general proof of the conservation of the curvature perturbation, J. Cosmol. Astropart. Phys. JCAP05(2005)004 [astro-ph/0411220]
39. C. Gordon, D. Wands, B.A. Bassett and R. Maartens, 2001 Adiabatic and entropy perturbations from inflation, Phys. Rev. D 63 023506 [astro-ph/0009131]
40. S. Groot Nibbelink and B.J.W. van Tent, 2002 Scalar perturbations during multiple field slow-roll inflation, Class. Quant. Grav. 19 613 [hep-ph/0107272]
41. M. Sasaki and E.D. Stewart, 1996 A general analytic formula for the spectral index of the density perturbations produced during inflation, Prog. Theor. Phys. 95 71 [astro-ph/9507001]
42. A.H. Guth and S.Y. Pi, 1982 Fluctuations in the new inflationary universes, Phys. Rev. Lett. 49 1110
43. A.A. Starobinsky, 1982 Dynamics of phase transition in the new inflationary universe scenario and generation of perturbations, Phys. Lett. B 117 175
44. For a general introduction to Langevin Equation see J.P. Sethna, 2006 Statistical mechanics: entropy, order parameters and complexity, Oxford University Press, Oxford U.K.
45. A.A. Starobinsky, 1992 Spectrum of adiabatic perturbations in the universe when there are singularities in the inflation potential, JETP Lett. 55 489
46. A.A. Starobinsky, 1992 Pisma Zh. Eksp. Teor. Fiz. 55 477
47. J.A. Adams, G.G. Ross and S. Sarkar, 1997 Multiple inflation, Nucl. Phys. B 503 405 [hep-ph/9704286]
48. S.M. Leach and A.R. Liddle, 2001 Inflationary perturbations near horizon crossing, Phys. Rev. D 63 043508 [astro-ph/0010082]
49. S.M. Leach, M. Sasaki, D. Wands and A.R. Liddle, 2001 Enhancement of superhorizon scale inflationary curvature perturbations, Phys. Rev. D 64 023512 [astro-ph/0101406]
50. P. Hunt and S. Sarkar, 2004 Multiple inflation and the WMAP 'glitches', Phys. Rev. D 70 103518 [astro-ph/0408138]
51. P. Hunt and S. Sarkar, 2007 Multiple inflation and the WMAP 'glitches' II. Data analysis and cosmological parameter extraction, Phys. Rev. D 76 123504 [0706.2443]
52. J.A. Adams, B. Cresswell and R. Easther, 2001 Inflationary perturbations from a potential with a step, Phys. Rev. D 64 123514 [astro-ph/0102236]
53. L. Covi, J. Hamann, A. Melchiorri, A. Slosar and I. Sorbera, 2006 Inflation and WMAP three year data: features have a future!, Phys. Rev. D 74 083509 [astro-ph/0606452]
54. R. Bean, X. Chen, G. Hailu, S.-H. Henry Tye and J. Xu, 2008 Duality cascade in brane inflation, J. Cosmol. Astropart. Phys. JCAP03(2008)026 [0802.0491]
55. WMAP collaboration, E. Komatsu et al., 2009 Five-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: cosmological interpretation, Astrophys. J. Suppl. 180 330 [0803.0547]
56. C.L. Reichardt et al., 2009 High resolution CMB power spectrum from the complete ACBAR data set, Astrophys. J. 694 1200 [0801.1491]
57. D.H. Lyth, 2005 Generating the curvature perturbation at the end of inflation, J. Cosmol. Astropart. Phys. JCAP11(2005)006 [astro-ph/0510443]
58. L. Alabidi and D. Lyth, 2006 Curvature perturbation from symmetry breaking the end of inflation, J. Cosmol. Astropart. Phys. JCAP08(2006)006 [astro-ph/0604569]
59. B. Dutta, L. Leblond and J. Kumar, 2008 Tachyon mediated non-Gaussianity, Phys. Rev. D 78 083522 [0805.1229]
60. M. Sasaki, 2008 Multi-brid inflation and non-Gaussianity, Prog. Theor. Phys. 120 159 [0805.0974]
61. A.D. Linde and V.F. Mukhanov, 1997 Non-Gaussian isocurvature perturbations from inflation, Phys. Rev. D 56 535 [astro-ph/9610219]
62. D.H. Lyth and D. Wands, 2002 Generating the curvature perturbation without an inflaton, Phys. Lett. B 524 5 [hep-ph/0110002]
63. D.H. Lyth, C. Ungarelli and D. Wands, 2003 The primordial density perturbation in the curvaton scenario, Phys. Rev. D 67 023503 [astro-ph/0208055]
64. M. Sasaki, J. Valiviita and D. Wands, 2006 Non-Gaussianity of the primordial perturbation in the curvaton model, Phys. Rev. D 74 103003 [astro-ph/0607627]
65. D.H. Lyth and Y. Rodriguez, 2005 The inflationary prediction for primordial non-Gaussianity, Phys. Rev. Lett. 95 121302 [astro-ph/0504045]
66. D. Seery and J.E. Lidsey, 2005 Primordial non-Gaussianities from multiple-field inflation, J. Cosmol. Astropart. Phys. JCAP09(2005)011 [astro-ph/0506056]
67. J.M. Maldacena, 2003 Non-Gaussian features of primordial fluctuations in single field inflationary models, J. High Energy Phys. JHEP05(2003)013 [astro-ph/0210603]
68. X. Gao, 2008 Primordial non-Gaussianities of general multiple field inflation, J. Cosmol. Astropart. Phys. JCAP06(2008)029 [0804.1055]