Nonvacuum pseudoparticles, quantum tunneling and metastability
J. -Q. Liang, H. J. W. Mueller-Kirsten
Abstract
It is shown that nonvacuum pseudoparticles can account for quantum tunneling and metastability. In particular the saddle-point nature of the pseudoparticles is demonstrated, and the evaluation of path-integrals in their neighbourhood. Finally the relation between instantons and bounces is used to derive a result conjectured by Bogomolny and Fateyev.
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