The spontaneous breaking of a metastable string

Details The spontaneous breaking of a metastable string The spontaneous breaking of a metastable string

2008-08-12

arxiv.org/abs/0808.1693v1

Phys.Rev.D78:065048,2008

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 3 figures

Scientific paper

10.1103/PhysRevD.78.065048

We consider the phase transition of a string with tension $\eps_1$ to a string with a smaller tension $\eps_2$. The transition proceeds through quantum tunneling, and we calculate in arbitrary number of dimensions the pre-exponential factor multiplying the leading semiclassical exponential expression for the rate of the process. At $\eps_2=0$ the found formula for the decay rate also describes a break up of a metastable string into two pieces.

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