A simple derivation of the WKB energy levels via the path integral |
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Authors: | H.S. Sharatchandra |
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Affiliation: | Physics Department, Indian Institute of Technology, Kampur, 208016 U.P., India |
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Abstract: | It is pointed out that the leading singularity of e?βH at β = 0 comes from just the zero frequency mode in the path integral. The WKB energy levels and corrections to it can therefore easily be estimated. However, the method works only for potentials unbounded at infinity. |
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