Baryon Asymmetry, Inflation and Squeezed States

Details Baryon Asymmetry, Inflation and Squeezed States Baryon Asymmetry, Inflation and Squeezed States

2006-03-24

arxiv.org/abs/gr-qc/0603098v1

AnnalsPhys.322:849-865,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

21 pages, 2 figures

Scientific paper

10.1016/j.aop.2006.08.005

We use the general formalism of squeezed rotated states to calculate baryon asymmetry in the wake of inflation through parametric amplification. We base our analysis on a B and CP violating Lagrangian in an isotropically expanding universe. The B and CP violating terms originate from the coupling of complex fields with non-zero baryon number to a complex background inflaton field. We show that a differential amplification of particle and anti-particle modes gives rise to baryon asymmetry.

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