Topological defects and conditions for baryogenesis in the Left-Right symmetric model

Details Topological defects and conditions for baryogenesis in the Left-Right symmetric model Topological defects and conditions for baryogenesis in the Left-Right symmetric model

1998-05-11

arxiv.org/abs/hep-ph/9805276v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, LaTex

Scientific paper

It is shown that the minimal Left-Right symmetric model admits cosmic string, domain wall and conditionally, monopole solutions. The strings arise when the $SU(2)_R$ is broken and can either be destabilized at the electroweak scale or remain stable through the subsequent breakdown to $U(1)_{EM}$. The monopoles and domain wall configurations exist in the $SU(2)_L\otimes U(1)_Y$ symmetric phase and disappear after subsequent symmetry breaking. Their destabilization provides new sources of non-equilibrium effects below the electroweak scale. Several defect-mediated mechanisms for low energy baryogenesis are shown to be realisable in this model.

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