Cosmological Particle Creation in the Presence of Lorentz Violation

Details Cosmological Particle Creation in the Presence of Lorentz Violation Cosmological Particle Creation in the Presence of Lorentz Violation

2007-07-22

arxiv.org/abs/0707.3247v1

Phys.Lett.B652:217-222,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 6 figures, To appear in Physics Letters B

Scientific paper

10.1016/j.physletb.2007.07.023

In recent years, the effects of Lorentz symmetry breaking in cosmology has attracted considerable amount of attention. In cosmological context several topics can be affected by Lorentz violation,e.g., inflationary scenario, CMB, dark energy problem and barryogenesis. In this paper we consider the cosmological particle creation due to Lorentz violation (LV). We consider an exactly solvable model for finding the spectral properties of particle creation in an expanding space-time exhibiting Lorentz violation. In this model we calculate the spectrum and its variations with respect to the rate and the amount of space-time expansion.

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