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arXiv · hep-ph/9704242

Periodic Instanton Bifurcations and Thermal Transition Rate

A. N. Kuznetsov·P. G. Tinyakov
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Abstract

It is shown that periodic instanton solutions may have bifurcations which qualitatively change the behaviour of the finite temperature transition rate. These bifurcations are studied numerically in a quantum mechanical model and in the massive two-dimensional sigma model with the Skyrme term. General rules which determine the behaviour of periodic instantons near bifurcations are derived and applied to the Electroweak Theory.

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A. N. Kuznetsov, P. G. Tinyakov. 1997-04-04. Periodic Instanton Bifurcations and Thermal Transition Rate. https://doi.org/10.1016/s0370-2693(97)00628-x

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