A two-loop calculation about a quantum mechanical instanton

Michael Lowe; Michael Stone

doi:10.1016/0550-3213(78)90021-4

A two-loop calculation about a quantum mechanical instanton

Research output: Contribution to journal › Article › peer-review

Abstract

We test the functional approach to tunnelling by using the sine-Gordon "instanton" to calculate the second term in the asymptotic expansion of the width of the lowest band in a periodic potential.

Original language	English (US)
Pages (from-to)	177-188
Number of pages	12
Journal	Nuclear Physics, Section B
Volume	136
Issue number	1
DOIs	https://doi.org/10.1016/0550-3213(78)90021-4
State	Published - Apr 17 1978
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0550-3213(78)90021-4

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A two-loop calculation about a quantum mechanical instanton

Abstract

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