Abstract
Different phase space descriptions of quantum mechanics are used to construct different functional integral representations for the partition function of a general system where Bose degrees of freedom are involved. The “static approximation” to these functional integrals yields (pseudo-)classical partition functions providing either a lower or an upper bound on the original partition function. The upper bound generalizes a result due to HEPP and LIEB.
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© 1979 Springer-Verlag
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Leschke, H. (1979). Functional integral representations and inequalities for bose partition functions. In: Albeverio, S., et al. Feynman Path Integrals. Lecture Notes in Physics, vol 106. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-09532-2_95
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DOI: https://doi.org/10.1007/3-540-09532-2_95
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