Breaking of a metastable string at finite temperature

@article{Monin2008BreakingOA,
  title={Breaking of a metastable string at finite temperature},
  author={Alexander Monin and Mikhail B. Voloshin},
  journal={Physical Review D},
  year={2008},
  volume={78},
  pages={125029}
}
We consider the phase transition of a string with tension {epsilon}{sub 1} to a string with a smaller tension {epsilon}{sub 2} at finite temperature. For sufficiently small temperatures the transition proceeds through thermally catalyzed quantum tunneling, and we calculate in arbitrary number of dimensions the thermal catalysis factor. At {epsilon}{sub 2}=0 the found formula for the decay rate also describes a breakup of a metastable string into two pieces. 
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