Uniform semiclassical approximation in quantum statistical mechanics.

De Carvalho, C. A. A. ; Cavalcanit, R. M. ; Fraga, E. S. ; Joras, S. E.

Technical Information Center Oak Ridge Tennessee

关键词: Semiclassical approximation;    Quantum mechanics;    Partition functions;    Statistical mechanics;    One-dimensional calculations;   

RP-ID  :  DE2001779786

学科分类：工程和技术（综合）

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来源: National Technical Reports Library

【 摘 要 】

We present a simple method to deal with caustics in the semiclassical approximation to the partition function of a one-dimensional quantum system. The procedure, which makes use of complex trajectories, is applied to the quartic double-well potential.