How the curvaton scenario, modulated reheating and an inhomogeneous end of inflation are related

Journal of Cosmology and Astroparticle Physics

Volumn 2010, Issue 11, 2010, Pages

  Alabidi, Laila ^a   Malik, Karim ^a   Byrnes, Christian T ^b   Choi, Ki Young ^c  

^a QUEEN MARY UNIVERSITY OF LONDON   (United Kingdom)

^b BIELEFELD UNIVERSITY   (Germany)

^c Pusan National University   (South Korea)

Author keywords

Cosmological perturbation theory; Inflation; Non gaussianity; Physics of the early universe

Indexed keywords

EID: 78649784138     PISSN: 14757516     EISSN: 14757516     Source Type: Journal    
DOI: 10.1088/1475-7516/2010/11/037     Document Type: Article

References (29)

1. E. Komatsu et al., Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation, arXiv:1001.4538 [SPIRES]
2. SDSS collaboration, M. Tegmark et al., Cosmological Constraints from the SDSS Luminous Red Galaxies, Phys. Rev. D 74 (2006) 123507 [astro-ph/0608632] [SPIRES].
3. D.H. Lyth and D. Wands, Generating the curvature perturbation without an inflaton, Phys. Lett. B 524 (2002) 5 [hep-ph/0110002] [SPIRES].
4. T. Moroi and T. Takahashi, Cosmic density perturbations from late-decaying scalar condensations, Phys. Rev. D 66 (2002) 063501 [hep-ph/0206026] [SPIRES].
5. K. Enqvist and M.S. Sloth, Adiabatic CMB perturbations in pre big bang string cosmology, Nucl. Phys. B 626 (2002) 395 [hep-ph/0109214] [SPIRES].
6. G. Dvali, A. Gruzinov and M. Zaldarriaga, A new mechanism for generating density perturbations from inflation, Phys. Rev. D 69 (2004) 023505 [astro-ph/0303591] [SPIRES].
7. L. Kofman, Probing string theory with modulated cosmological fluctuations, astro-ph/0303614 [SPIRES].
8. F. Bernardeau, L. Kofman and J.-P. Uzan, Modulated fluctuations from hybrid inflation, Phys. Rev. D 70 (2004) 083004 [astro-ph/0403315] [SPIRES].
9. M. Zaldarriaga, Non-Gaussianities in models with a varying inflaton decay rate, Phys. Rev. D 69 (2004) 043508 [astro-ph/0306006] [SPIRES].
10. F. Bernardeau and J.-P. Uzan, Inflationary models inducing non-Gaussian metricfluctuations, Phys. Rev. D 67 (2003) 121301 [astro-ph/0209330] [SPIRES].
11. F. Bernardeau, L. Kofman and J.-P. Uzan, Modulatedfluctuationsfrom hybrid inflation, Phys. Rev. D 70 (2004) 083004 [astro-ph/0403315] [SPIRES].
12. L. Alabidi and D. Lyth, Curvature perturbationfrom symmetry breaking the end ofinflation, JCAP 08 (2006) 006 [astro-ph/0604569] [SPIRES].
13. M. Sasaki, Multi-brid inflation and non-Gaussianity, Prog. Theor. Phys. 120 (2008) 159 [arXiv:0805.0974] [SPIRES].
14. A. Naruko and M. Sasaki, Large non-Gaussianityfrom multi-brid inflation, Prog. Theor. Phys. 121 (2009) 193 [arXiv:0807.0180] [SPIRES].
15. cal from WMAP 5-year data, JCAP 09 (2009) 006 [arXiv:0901.2572] [SPIRES].
16. O. Rudjord et al., An Estimate of the Primordial Non-Gaussianity Parameter/NL Using the Needlet Bispectrum from WMAP, Astrophys. J. 701 (2009) 369 [arXiv:0901.3154] [SPIRES].
17. J.M. Maldacena, Non-Gaussian features ofprimordialfluctuations in single field inflationary models, JHEP 05 (2003) 013 [astro-ph/0210603] [SPIRES].
18. D.H. Lyth, C. Ungarelli and D. Wands, The primordial density perturbation in the curvaton scenario, Phys. Rev. D 67 (2003) 023503 [astro-ph/0208055] [SPIRES].
19. K.A. Malik and D.H. Lyth, A numerical study ofnon-Gaussianity in the curvaton scenario, JCAP 09 (2006) 008 [astro-ph/0604387] [SPIRES].
20. L. Alabidi, Non-Gaussianity for a two component hybrid model of inflation JCAP 10 (2006) 015 [astro-ph/0604611] [SPIRES].
21. C.T. Byrnes, K.-Y. Choi and L.M.H. Hall, Conditions for large non-Gaussianity in two-field slow-roll inflation, JCAP 10 (2008) 008 [arXiv:0807.1101] [SPIRES].
22. C.T. Byrnes and G. Tasinato, Non-Gaussianity beyond slow roll in multi-field inflation JCAP 08 (2009) 016 [arXiv:0906.0767] [SPIRES].
23. K.A. Malik and D. Wands, Cosmologicalperturbations, Phys. Rept. 475 (2009) 1 [arXiv:0809.4944] [SPIRES].
24. H. Kodama and M. Sasaki, Cosmological Perturbation Theory, Prog. Theor. Phys. Suppl. 78 (1984) 1 [SPIRES].
25. K.A. Malik and D. Wands, Adiabatic and entropy perturbations with interacting fluids and fields, JCAP 02 (2005) 007 [astro-ph/0411703] [SPIRES].
26. A.J. Christopherson and K.A. Malik, The non-adiabatic pressure in general scalar field systems, Phys. Lett. B 675 (2009) 159 [arXiv:0809.3518] [SPIRES].
27. C.G. Boehmer, G. Caldera-Cabral, N. Chan, R. Lazkoz and R. Maartens, Quintessence with quadratic coupling to dark matter, Phys. Rev. D 81 (2010) 083003 [arXiv:0911.3089] [SPIRES].
28. D.H. Lyth, Generating the curvature perturbation at the end ofinflation, JCAP 11 (2005) 006 [astro-ph/0510443] [SPIRES].
29. D.H. Lyth and A.R. Liddle, The Primordial Density Perturbation: Cosmology, Inflation and the Origin ofStructure, Cambridge Univ. Press, Cambridge U.K. (2009).