Tunnel determinants from spectral zeta functions. Instanton effects in quantum mechanics

Abstract

In this paper we develop an spectral zeta function regularization procedure on the determinants of instanton fluctuation operators that describe the semi-classical order of tunnel effects bewtween degenerate vacua.

arXiv comment16 pages, 2 figures, expanded version of a talk given by JMG in the II Russian-Spanish Congress in High Energy Physics, Sankt Petersurg, September 2013

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