Dynamical Breaking of CPT Symmetry in Defect Networks and Baryogenesis

Details Dynamical Breaking of CPT Symmetry in Defect Networks and Baryogenesis Dynamical Breaking of CPT Symmetry in Defect Networks and Baryogenesis

1995-11-16

arxiv.org/abs/hep-ph/9511349v1

Phys.Lett. B384 (1996) 175-179

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, LaTeX with prl macros, no figures

Scientific paper

10.1016/0370-2693(96)00602-8

Based on a study of {\it charge,} (C), {\it parity} (P) and {\it time reversal} (T) symmetries we show how a CP violating network of defects in the early Universe may bias baryon number production. A static network, even though it violates CP, respects CPT and hence does not bias baryon number production. On the other hand, the {\it ordering dynamics\/} of defects in a network, governed by the interplay of string tension, friction, inertia and the expansion of the Universe, results in the dynamical breakdown of CPT symmetry and may lead to a net baryon number production.

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