Non-Gaussian fingerprints of self-interacting curvaton

Journal of Cosmology and Astroparticle Physics

Volumn 2010, Issue 4, 2010, Pages

  Enqvist, Kari ^a   Nurmi, Sami ^b   Taanila, Olli ^a   Takahashi, Tomo ^c  

^a UNIVERSITY OF HELSINKI   (Finland)

^b INSTITUT FÜR THEORETISCHE PHYSIK   (Germany)

^c SAGA UNIVERSITY   (Japan)

Author keywords

Inflation; Physics of the early universe

Indexed keywords

EID: 77951557178     PISSN: 14757516     EISSN: 14757516     Source Type: Journal    
DOI: 10.1088/1475-7516/2010/04/009     Document Type: Article

References (40)

1. K. Enqvist and M.S. Sloth, 2002 Adiabatic CMB perturbations in pre big bang string cosmology, Nucl. Phys. B 626 395 [hep-ph/0109214]
2. D.H. Lyth and D. Wands, 2002 Generating the curvature perturbation without an inflaton, Phys. Lett. B 524 5 [hep-ph/0110002]
3. 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]
4. A.D. Linde and V.F. Mukhanov, 1997 Non-Gaussian isocurvature perturbations from inflation, Phys. Rev. D 56 535 [astro-ph/9610219]
5. S. Mollerach, 1990 Isocurvature baryon perturbations and inflation, Phys. Rev. D 42 313
6. D. Langlois and F. Vernizzi, 2004 Mixed inflaton and curvaton perturbations, Phys. Rev. D 70 063522 [astro-ph/0403258]
7. G. Lazarides, R.R. de Austri and R. Trotta, 2004 Constraints on a mixed inflaton and curvaton scenario for the generation of the curvature perturbation, Phys. Rev. D 70 123527 [hep-ph/0409335]
8. F. Ferrer, S. Rasanen and J. Valiviita, 2004 Correlated isocurvature perturbations from mixed inflaton-curvaton decay J. Cosmol. Astropart. Phys. JCAP10(2004)010 [astro-ph/0407300]
9. T. Moroi, T. Takahashi and Y. Toyoda, 2005 Relaxing constraints on inflation models with curvaton, Phys. Rev. D 72 023502 [hep-ph/0501007]
10. T. Moroi and T. Takahashi, 2005 Implications of the curvaton on inflationary cosmology, Phys. Rev. D 72 023505 [astro-ph/0505339]
11. K. Ichikawa, T. Suyama, T. Takahashi and M. Yamaguchi, 2008 Non-Gaussianity, spectral index and tensor modes in mixed inflaton and curvaton models, Phys. Rev. D 78 023513 [0802.4138]
12. D. Langlois, F. Vernizzi and D. Wands, 2008 Non-linear isocurvature perturbations and non-Gaussianities J. Cosmol. Astropart. Phys. JCAP12(2008)004 [0809.4646]
13. K. Dimopoulos, G. Lazarides, D. Lyth and R. Ruiz de Austri, 2003 Curvaton dynamics, Phys. Rev. D 68 123515 [hep-ph/0308015]
14. K. Enqvist and S. Nurmi, 2005 Non-Gaussianity in curvaton models with nearly quadratic potential J. Cosmol. Astropart. Phys. JCAP10(2005)013 [astro-ph/0508573]
15. K. Enqvist and T. Takahashi, 2008 Signatures of Non-Gaussianity in the curvaton model J. Cosmol. Astropart. Phys. JCAP09(2008)012 [0807.3069]
16. K. Enqvist, S. Nurmi and G.I. Rigopoulos, 2008 Parametric decay of the curvaton J. Cosmol. Astropart. Phys. JCAP10(2008)013 [0807.0382]
17. Q.-G. Huang, 2008 Curvaton with polynomial potential J. Cosmol. Astropart. Phys. JCAP11(2008)005 [0808.1793]
18. M. Kawasaki, K. Nakayama and F. Takahashi, 2009 Hilltop non-Gaussianity J. Cosmol. Astropart. Phys. JCAP01(2009)026 [0810.1585]
19. P. Chingangbam and Q.-G. Huang, 2009 The curvature perturbation in the axion-type curvaton model J. Cosmol. Astropart. Phys. JCAP04(2009)031 [0902.2619]
20. K. Enqvist, S. Nurmi, G. Rigopoulos, O. Taanila and T. Takahashi, 2009 The subdominant curvaton J. Cosmol. Astropart. Phys. JCAP11(2009)003 [0906.3126]
21. A. Chambers, S. Nurmi and A. Rajantie, 2010 Non-Gaussianity from resonant curvaton decay J. Cosmol. Astropart. Phys. JCAP01(2010)012 [0909.4535]
22. K. Enqvist and T. Takahashi, 2009 Effect of background evolution on the curvaton non-Gaussianity J. Cosmol. Astropart. Phys. JCAP12(2009)001 [0909.5362]
23. 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]
24. A.A. Starobinsky, 1985 Multicomponent de Sitter (inflationary) stages and the generation of perturbations, JETP Lett. 42 152
25. 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]
26. M. Sasaki and T. Tanaka, 1998 Super-horizon scale dynamics of multi-scalar inflation, Prog. Theor. Phys. 99 763 [gr-qc/9801017]
27. 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]
28. D.H. Lyth and D. Wands, 2003 Conserved cosmological perturbations, Phys. Rev. D 68 103515 [astro-ph/0306498]
29. 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]
30. NL J. Cosmol. Astropart. Phys. JCAP02(2010)034 [0911.2780]
31. D. Wands, N. Bartolo, S. Matarrese and A. Riotto, 2002 An observational test of two-field inflation, Phys. Rev. D 66 043520 [astro-ph/0205253]
32. WMAP collaboration, E. Komatsu et al., 2009 Five-year wilkinson microwave anisotropy probe (WMAP) observations: cosmological interpretation, Astrophys. J. Suppl. 180 330 [0803.0547]
33. K.A. Malik, D. Wands and C. Ungarelli, 2003 Large-scale curvature and entropy perturbations for multiple interacting fluids, Phys. Rev. D 67 063516 [astro-ph/0211602]
34. D.H. Lyth and Y. Rodriguez, 2005 The inflationary prediction for primordial non-Gaussianity, Phys. Rev. Lett. 95 121302 [astro-ph/0504045]
35. 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]
36. M.S. Turner, 1983 Coherent scalar field oscillations in an expanding universe, Phys. Rev. D 28 1243
37. local from WMAP 5-year data J. Cosmol. Astropart. Phys. JCAP09(2009)006 [0901.2572]
38. 3-type in the mass function and bias of dark matter haloes, Phys. Rev. D 81 023006 [0907.2257]
39. nl from the analysis of the N-pdf of the CMB large scale anisotropies, [0910.3196]
40. K. Nakayama and J. Yokoyama, 2010 Gravitational wave background and non-Gaussianity as a probe of the curvaton scenario J. Cosmol. Astropart. Phys. JCAP01(2010)010 [0910.0715]