It is argued that the departure from equilibrium caused by particle production because of curvature variation in the early universe may contribute to the baryon-antibaryon asymmetry in the universe. Under certain limiting conditions this contribution might even be the most important one.
The Contribution to Baryon Excess from Gravitational Interaction after the Planck Time
BONOMETTO, SILVIO AMEDEO;MATARRESE, SABINO
1982
Abstract
It is argued that the departure from equilibrium caused by particle production because of curvature variation in the early universe may contribute to the baryon-antibaryon asymmetry in the universe. Under certain limiting conditions this contribution might even be the most important one.
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