Tensor Perturbations in Starobinski's Inflation

Details Tensor Perturbations in Starobinski's Inflation Tensor Perturbations in Starobinski's Inflation

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jphcs.283a2027p&link_type=abstract

Journal of Physics: Conference Series, Volume 283, Issue 1, pp. 012027 (2011).

Physics

Scientific paper

In an almost de Sitter space-time, the stochastic semiclassical Einstein-Langevin equations with cosmological constant non-zero Λ have been written in the TT-gauge in a perturbative way (e.g. as zero-order and first order equations). Applying order reduction to zero and first order equations we found approximate solutions to those equations. To understand how large are the physical perturbations on different time scales, a two point correlation function of the intrinsic and induced fluctuations have been computed explicitly and their spectrum as well.

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