Vacuum Tunneling by Cosmic Strings

Details Vacuum Tunneling by Cosmic Strings Vacuum Tunneling by Cosmic Strings

1997-02-05

arxiv.org/abs/hep-th/9702041v1

Nucl.Phys. B506 (1997) 421-435

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, Latex, two postscript figures, uses epsf

Scientific paper

10.1016/S0550-3213(97)00546-4

We consider vacuum tunneling of a new kind where the false vacua are not translationally invariant, but have topological defects that break some of their translational symmetries. In the particular case where the topological defects are cosmic strings, we show the existence of an O(2) \times O(2) symmetric bounce configuration that allows a semi-classical estimate of the rate of cosmic string induced tunneling. A method of reduction is then suggested for simplifying the computation of the bounce action. Some phenomenological applications are described.

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