Quantum Fluctuations in Open Pre-Big Bang Cosmology

Details Quantum Fluctuations in Open Pre-Big Bang Cosmology Quantum Fluctuations in Open Pre-Big Bang Cosmology

1998-06-29

arxiv.org/abs/hep-th/9806233v2

Phys.Lett. B440 (1998) 20-27

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, ReVTeX, Discussion of relation to Ref.[8] modified

Scientific paper

10.1016/S0370-2693(98)01087-9

We solve exactly the (linear order) equations for tensor and scalar
perturbations over the homogeneous, isotropic, open pre-big bang model recently
discussed by several authors. We find that the parametric amplification of
vacuum fluctuations (i.e. particle production) remains negligible throughout
the perturbative pre-big bang phase.

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