Non-Gaussianity from excited initial inflationary states

Journal of High Energy Physics

Volumn 2013, Issue 7, 2013, Pages

  Aravind, Aditya ^a   Lorshbough, Dustin ^a   Paban, Sonia ^a  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

Author keywords

Cosmology of Theories beyond the SM; Nonperturbative Effects

Indexed keywords

EID: 84881349006     PISSN: 11266708     EISSN: 10298479     Source Type: Journal    
DOI: 10.1007/JHEP07(2013)076     Document Type: Article

References (20)

1. WMAP collaboration, G. Hinshaw et al., Nine-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Parameter Results, arXiv:1212.5226 [ INSPIRE ].
2. B.R. Greene, K. Schalm, G. Shiu and J.P. van der Schaar, Decoupling in an expanding universe: Backreaction barely constrains short distance effects in the CMB, JCAP 02 (2005) 001 [ hep-th/0411217 ] [ INSPIRE ]. (Pubitemid 41094550)
3. X. Chen, M.-x. Huang, S. Kachru and G. Shiu, Observational signatures and non-Gaussianities of general single field inflation, JCAP 01 (2007) 002 [ hep-th/0605045 ] [ INSPIRE ].
4. R. Holman and A.J. Tolley, Enhanced Non-Gaussianity from Excited Initial States, JCAP 05 (2008) 001 [ arXiv:0710.1302 ] [ INSPIRE ].
5. I. Agullo and L. Parker, Non-Gaussianities and the Stimulated creation of quanta in the inflationary universe, Phys. Rev. D 83 (2011) 063526 [ arXiv:1010.5766 ] [ INSPIRE ].
6. I. Agullo and L. Parker, Stimulated creation of quanta during inflation and the observable universe, Gen. Rel. Grav. 43 (2011) 2541 [Int. J. Mod. Phys. D 20 (2011) 2861] [ arXiv:1106.4240 ] [ INSPIRE ].
7. NL for slow-roll inflation with a non-vacuum initial state, Phys. Rev. D 84 (2011) 063514 [ arXiv:1104.0244 ] [ INSPIRE ].
8. D. Carney, W. Fischler, S. Paban and N. Sivanandam, The Inflationary Wavefunction and its Initial Conditions, JCAP 12 (2012) 012 [ arXiv:1109.6566 ] [ INSPIRE ].
9. D. Chialva, Signatures of very high energy physics in the squeezed limit of the bispectrum (violation of Maldacena's condition), JCAP 10 (2012) 037 [ arXiv:1108.4203 ] [ INSPIRE ].
10. S. Kundu, Inflation with General Initial Conditions for Scalar Perturbations, JCAP 02 (2012) 005 [ arXiv:1110.4688 ] [ INSPIRE ].
11. N. Agarwal, R. Holman, A.J. Tolley and J. Lin, Effective field theory and non-Gaussianity from general inflationary states, JHEP 05 (2013) 085 [ arXiv:1212.1172 ] [ INSPIRE ].
12. J.-O. Gong and M. Sasaki, Squeezed primordial bispectrum from general vacuum state, Class. Quant. Grav. 30 (2013) 095005 [ arXiv:1302.1271 ] [ INSPIRE ].
13. M.H. Namjoo, H. Firouzjahi and M. Sasaki, Violation of non-Gaussianity consistency relation in a single field inflationary model, Europhys. Lett. 101 (2013) 39001 [ arXiv:1210.3692 ] [ INSPIRE ].
14. X. Chen, H. Firouzjahi, M.H. Namjoo and M. Sasaki, A Single Field Inflation Model with Large Local Non-Gaussianity, Europhys. Lett. 102 (2013) 59001 [ arXiv:1301.5699 ] [ INSPIRE ].
15. A. Dey and S. Paban, Non-Gaussianities in the Cosmological Perturbation Spectrum due to Primordial Anisotropy, JCAP 04 (2012) 039 [ arXiv:1106.5840 ] [ INSPIRE ].
16. H.V. Peiris and L. Verde, The Shape of the Primordial Power Spectrum: A Last Stand Before Planck, Phys. Rev. D 81 (2010) 021302 [ arXiv:0912.0268 ] [ INSPIRE ].
17. C.R. Contaldi, M. Peloso, L. Kofman and A.D. Linde, Suppressing the lower multipoles in the CMB anisotropies, JCAP 07 (2003) 002 [ astro-ph/0303636 ] [ INSPIRE ].
18. R. Flauger, D. Green and R.A. Porto, On Squeezed Limits in Single-Field Inflation - Part I, arXiv:1303.1430 [ INSPIRE ].
19. J.M. Maldacena, Non-Gaussian features of primordial fluctuations in single field inflationary models, JHEP 05 (2003) 013 [ astro-ph/0210603 ] [ INSPIRE ].
20. D. Baumann, TASI Lectures on Inflation, arXiv:0907.5424 [ INSPIRE ].