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Observational consequences of the Standard Model Higgs inflation variants
cosmic microwave background cosmological parameters early universe infl a-tion observations
2011/10/10
We consider the possibility to observationally differentiate the Standard Model (SM) Higgs driven inflation with non-minimal couplingto gravity from other variants of SM Higgs inflation based on the s...
Inflation in Entropic Cosmology: Primordial Perturbations and non-Gaussianities
Inflation Primordial Perturbations non-Gaussianities
2010/11/16
We investigate thermal inflation in double-screen entropic cosmology. We find that its realization is general, resulting from the system evolution from non-equilibrium to equilibrium. Furthermore,goin...
CMB statistics in noncommutative inflation
Cosmological inflation Statistical anisotropy of the cosmic microwave background Scale-dependent non-Gaussianity
2010/11/12
Noncommutative geometry can provide effective description of physics at very short distances taking into account generic effects of quantum gravity. Inflation amplifies tiny quantum fluctuations in th...
Waterfall field in hybrid inflation and curvature perturbation
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/6
We study carefully the contribution of the waterfall field to the curvature perturbation at the end of hybrid inflation. In particular we clarify the parameter dependence analytically under reasonable...
The Nature of Primordial Fluctuations from Anisotropic Inflation
Primordial Fluctuations Anisotropic Inflation
2010/3/9
We study the statistical nature of primordial fluctuations from an anisotropic inflation which is realized by a vector field coupled to an inflaton. We find a suitable gauge, which we call the canonic...