Quasi-single field inflation and non-Gaussianities

Journal of Cosmology and Astroparticle Physics

Volumn 2010, Issue 4, 2010, Pages

  Chen, Xingang ^a,b   Wang, Yi ^c,d  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^c MCGILL UNIVERSITY   (Canada)

^d INSTITUTE OF THEORETICAL PHYSICS   (China)

Author keywords

Cosmological perturbation theory; Inflation

Indexed keywords

EID: 77951872144     PISSN: 14757516     EISSN: 14757516     Source Type: Journal    
DOI: 10.1088/1475-7516/2010/04/027     Document Type: Article

References (83)

1. A.H. Guth, 1981 The inflationary universe: a possible solution to the horizon and flatness problems, Phys. Rev. D 23 347
2. A.D. Linde, 1982 A new inflationary universe scenario: a possible solution of the horizon, flatness, homogeneity, isotropy and primordial monopole problems, Phys. Lett. B 108 389
3. A. Albrecht and P.J. Steinhardt, 1982 Cosmology for grand unified theories with radiatively induced symmetry breaking, Phys. Rev. Lett. 48 1220
4. X. Chen and Y. Wang, 2010 Large non-Gaussianities with intermediate shapes from quasi-single field inflation, Phys. Rev. D 81 063511 [0909.0496]
5. E.J. Copeland, A.R. Liddle, D.H. Lyth, E.D. Stewart and D. Wands, 1994 False vacuum inflation with Einstein gravity, Phys. Rev. D 49 6410 [astro-ph/9401011]
6. X. Chen, 2008 Fine-tuning in DBI inflationary mechanism J. Cosmol. Astropart. Phys. JCAP12(2008)009 [0807.3191]
7. J.S. Schwinger, 1961 The special canonical group, Proc. Nat. Acad. Sci. 46 1401
8. P.M. Bakshi and K.T. Mahanthappa, 1963 Expectation value formalism in quantum field theory. 1, J. Math. Phys. 4 1
9. P.M. Bakshi and K.T. Mahanthappa, 1963 Expectation value formalism in quantum field theory. 2, J. Math. Phys. 4 12
10. L.V. Keldysh, 1964 Diagram technique for nonequilibrium processes Zh. Eksp. Teor. Fiz. 47 1515
11. L.V. Keldysh, 1965 Sov. Phys. JETP 20 1018
12. S. Weinberg, 2005 Quantum contributions to cosmological correlations, Phys. Rev. D 72 043514 [hep-th/0506236] (Pubitemid 44654264)
13. 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]
14. P. Adshead, R. Easther and E.A. Lim, 2009 The 'in-in' formalism and cosmological perturbations, Phys. Rev. D 80 083521 [0904.4207]
15. X. Chen, B. Hu, M.-X. Huang, G. Shiu and Y. Wang, 2009 Large primordial trispectra in general single field inflation J. Cosmol. Astropart. Phys. JCAP08(2009)008 [0905.3494]
16. D. Seery, M.S. Sloth and F. Vernizzi, 2009 Inflationary trispectrum from graviton exchange J. Cosmol. Astropart. Phys. JCAP03(2009)018 [0811.3934]
17. X. Gao and B. Hu, 2009 Primordial trispectrum from entropy perturbations in multifield DBI model J. Cosmol. Astropart. Phys. JCAP08(2009)012 [0903.1920]
18. D. Babich, P. Creminelli and M. Zaldarriaga, 2004 The shape of non-Gaussianities J. Cosmol. Astropart. Phys. JCAP08(2004)009 [astro-ph/0405356]
19. X. Chen, M.-X. Huang, S. Kachru and G. Shiu, 2007 Observational signatures and non-Gaussianities of general single field inflation J. Cosmol. Astropart. Phys. JCAP01(2007)002 [hep-th/0605045]
20. C. Cheung, P. Creminelli, A.L. Fitzpatrick, J. Kaplan and L. Senatore, 2008 The effective field theory of inflation J. High Energy Phys. JHEP03(2008)014 [0709.0293]
21. M. Li, T. Wang and Y. Wang, 2008 General single field inflation with large positive non-Gaussianity J. Cosmol. Astropart. Phys. JCAP03(2008)028 [0801.0040]
22. D. Langlois and S. Renaux-Petel, 2008 Perturbations in generalized multi-field inflation J. Cosmol. Astropart. Phys. JCAP04(2008)017 [0801.1085]
23. 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]
24. 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]
25. 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]
26. Y.-F. Cai and H.-Y. Xia, 2009 Inflation with multiple sound speeds: a model of multiple DBI type actions and non-Gaussianities, Phys. Lett. B 677 226 [0904.0062]
27. S. Renaux-Petel, 2009 Combined local and equilateral non-Gaussianities from multifield DBI inflation J. Cosmol. Astropart. Phys. JCAP10(2009)012 [0907.2476]
28. X. Gao, 2010 On cross-correlations between curvature and isocurvature perturbations during inflation J. Cosmol. Astropart. Phys. JCAP02(2010)019 [0908.4035]
29. A.J. Tolley and M. Wyman, 2010 The Gelaton scenario: equilateral non-Gaussianity from multi-field dynamics, Phys. Rev. D 81 043502 [0910.1853]
30. E. Silverstein and D. Tong, 2004 Scalar speed limits and cosmology: acceleration from D-cceleration, Phys. Rev. D 70 103505 [hep-th/0310221]
31. M. Alishahiha, E. Silverstein and D. Tong, 2004 DBI in the sky, Phys. Rev. D 70 123505 [hep-th/0404084]
32. X. Chen, 2005 Multi-throat brane inflation, Phys. Rev. D 71 063506 [hep-th/0408084]
33. X. Chen, 2005 Inflation from warped space J. High Energy Phys. JHEP08(2005)045 [hep-th/0501184]
34. C. Armendariz-Picon, T. Damour and V.F. Mukhanov, 1999 k-inflation, Phys. Lett. B 458 209 [hep-th/9904075]
35. J. Garriga and V.F. Mukhanov, 1999 Perturbations in k-inflation, Phys. Lett. B 458 219 [hep-th/9904176]
36. 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]
37. D.H. Lyth and Y. Rodriguez, 2005 The inflationary prediction for primordial non-Gaussianity, Phys. Rev. Lett. 95 121302 [astro-ph/0504045]
38. A. Naruko and M. Sasaki, 2009 Large non-Gaussianity from multi-brid inflation, Prog. Theor. Phys. 121 193 [0807.0180]
39. C.T. Byrnes, K.-Y. Choi and L.M.H. Hall, 2009 Large non-Gaussianity from two-component hybrid inflation J. Cosmol. Astropart. Phys. JCAP02(2009)017 [0812.0807]
40. M. Li and Y. Wang, 2009 Multi-stream inflation J. Cosmol. Astropart. Phys. JCAP07(2009)033 [0903.2123]
41. C.T. Byrnes and G. Tasinato, 2009 Non-Gaussianity beyond slow roll in multi-field inflation J. Cosmol. Astropart. Phys. JCAP08(2009)016 [0906.0767]
42. D.S. Salopek and J.R. Bond, 1990 Nonlinear evolution of long wavelength metric fluctuations in inflationary models, Phys. Rev. D 42 3936
43. G.I. Rigopoulos, E.P.S. Shellard and B.J.W. van Tent, 2006 Non-linear perturbations in multiple-field inflation, Phys. Rev. D 73 083521 [astro-ph/0504508]
44. G.I. Rigopoulos, E.P.S. Shellard and B.J.W. van Tent, 2006 Large non-Gaussianity in multiple-field inflation, Phys. Rev. D 73 083522 [astro-ph/0506704]
45. D. Seery and J.E. Lidsey, 2005 Primordial non-Gaussianities from multiple-field inflation J. Cosmol. Astropart. Phys. JCAP09(2005)011 [astro-ph/0506056]
46. F. Vernizzi and D. Wands, 2006 Non-Gaussianities in two-field inflation J. Cosmol. Astropart. Phys. JCAP05(2006)019 [astro-ph/0603799]
47. A.D. Linde and V.F. Mukhanov, 1997 Non-Gaussian isocurvature perturbations from inflation, Phys. Rev. D 56 535 [astro-ph/9610219]
48. D.H. Lyth and D. Wands, 2002 Generating the curvature perturbation without an inflaton, Phys. Lett. B 524 5 [hep-ph/0110002]
49. T. Moroi and T. Takahashi, 2001 Effects of cosmological moduli fields on cosmic microwave background, Phys. Lett. B 522 215 [Erratum ibid B 539 (2002) 303] [hep-ph/0110096]
50. 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] (Pubitemid 44796915)
51. N. Bartolo, S. Matarrese and A. Riotto, 2004 On non-Gaussianity in the curvaton scenario, Phys. Rev. D 69 043503 [hep-ph/0309033]
52. Q.-G. Huang, 2008 Large non-Gaussianity implication for curvaton scenario, Phys. Lett. B 669 260 [0801.0467]
53. M. Li, C. Lin, T. Wang and Y. Wang, 2009 Non-Gaussianity, isocurvature perturbation, gravitational waves and a no-go theorem for isocurvaton, Phys. Rev. D 79 063526 [0805.1299]
54. S. Li, Y.-F. Cai and Y.-S. Piao, 2009 DBI-curvaton, Phys. Lett. B 671 423 [0806.2363]
55. K. Enqvist and T. Takahashi, 2008 Signatures of non-Gaussianity in the curvaton model J. Cosmol. Astropart. Phys. JCAP09(2008)012 [0807.3069]
56. Q.-G. Huang and Y. Wang, 2008 Curvaton dynamics and the non-linearity parameters in curvaton model J. Cosmol. Astropart. Phys. JCAP09(2008)025 [0808.1168]
57. N. Kogo and E. Komatsu, 2006 Angular trispectrum of CMB temperature anisotropy from primordial non-Gaussianity with the full radiation transfer function, Phys. Rev. D 73 083007 [astro-ph/0602099]
58. D. Munshi et al., New optimised estimators for the primordial trispectrum, [0910.3693]
59. C.T. Byrnes, M. Sasaki and D. Wands, 2006 The primordial trispectrum from inflation, Phys. Rev. D 74 123519 [astro-ph/0611075]
60. F. Arroja, S. Mizuno, K. Koyama and T. Tanaka, 2009 On the full trispectrum in single field DBI-inflation, Phys. Rev. D 80 043527 [0905.3641]
61. X. Gao, M. Li and C. Lin, 2009 Primordial non-Gaussianities from the trispectra in multiple field inflationary models J. Cosmol. Astropart. Phys. JCAP11(2009)007 [0906.1345]
62. S. Mizuno, F. Arroja and K. Koyama, 2009 On the full trispectrum in multi-field DBI inflation, Phys. Rev. D 80 083517 [0907.2439]
63. N. Bartolo, E. Dimastrogiovanni, S. Matarrese and A. Riotto, 2009 Anisotropic trispectrum of curvature perturbations induced by primordial non-Abelian vector fields J. Cosmol. Astropart. Phys. JCAP11(2009)028 [0909.5621]
64. WMAP collaboration, E. Komatsu et al., 2009 Five-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: cosmological interpretation, Astrophys. J. Suppl. 180 330 [0803.0547]
65. NL) in the Wilkinson Microwave Anisotropy Probe 3-year data at 2.8σ, Phys. Rev. Lett. 100 181301 [0712.1148]
66. local from WMAP 5-year data J. Cosmol. Astropart. Phys. JCAP09(2009)006 [0901.2572]
67. L. Senatore, K.M. Smith and M. Zaldarriaga, 2010 Non-Gaussianities in single field inflation and their optimal limits from the WMAP 5-year data J. Cosmol. Astropart. Phys. JCAP01(2010)028 [0905.3746]
68. N. Dalal, O. Dore, D. Huterer and A. Shirokov, 2008 The imprints of primordial non-Gaussianities on large-scale structure: scale dependent bias and abundance of virialized objects, Phys. Rev. D 77 123514 [0710.4560]
69. A. Slosar, C. Hirata, U. Seljak, S. Ho and N. Padmanabhan, 2008 Constraints on local primordial non-Gaussianity from large scale structure J. Cosmol. Astropart. Phys. JCAP08(2008)031 [0805.3580]
70. 3-type in the mass function and bias of dark matter haloes, Phys. Rev. D 81 023006 [0907.2257]
71. L. Verde and S. Matarrese, 2009 Detectability of the effect of Inflationary non-Gaussianity on halo bias, Astrophys. J. 706 L91 [0909.3224]
72. M. Roncarelli et al., 2010 Imprints of primordial non-Gaussianities in X-ray and SZ signals from galaxy clusters, Mon. Not. Roy. Astron. Soc. 402 923 [0909.4714]
73. NL using the needlet bispectrum from WMAP, Astrophys. J. 701 369 [0901.3154]
74. NL, Astrophys. J. 708 1321 [0906.3232]
75. J. Smidt, A. Amblard, P. Serra and A. Cooray, 2009 A measurement of primordial non-Gaussianity using WMAP 5-year temperature skewness power spectrum, Phys. Rev. D 80 123005 [0907.4051]
76. P. Cabella et al., Foreground influence on primordial non-Gaussianity estimates: needlet analysis of WMAP 5-year data, [0910.4362]
77. J.R. Fergusson and E.P.S. Shellard, 2009 The shape of primordial non-Gaussianity and the CMB bispectrum, Phys. Rev. D 80 043510 [0812.3413]
78. M. Bucher, B. Van Tent and C.S. Carvalho, Detecting bispectral acoustic oscillations from inflation using a new flexible estimator, [0911.1642]
79. M. LoVerde, A. Miller, S. Shandera and L. Verde, 2008 Effects of scale-dependent non-Gaussianity on cosmological structures J. Cosmol. Astropart. Phys. JCAP04(2008)014 [0711.4126]
80. E. Sefusatti, M. Liguori, A.P.S. Yadav, M.G. Jackson and E. Pajer, 2009 Constraining running non-Gaussianity J. Cosmol. Astropart. Phys. JCAP12(2009)022 [0906.0232]
81. For a brief overview see E. Komatsu et al., Non-Gaussianity as a probe of the physics of the primordial universe and the astrophysics of the low redshift universe, [0902.4759]
82. X. Chen, R. Easther and E.A. Lim, 2007 Large non-Gaussianities in single field inflation J. Cosmol. Astropart. Phys. JCAP06(2007)023 [astro-ph/0611645]
83. 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]