Uniform semiclassical approximation in quantum statistical mechanics

Details Uniform semiclassical approximation in quantum statistical mechanics Uniform semiclassical approximation in quantum statistical mechanics

2000-12-21

arxiv.org/abs/cond-mat/0012414v1

Physics

Condensed Matter

Statistical Mechanics

5 pages, 1 figure, Latex. Contribution to the Proceedings of the XXI Brazilian National Meeting on Particles and Fields (Sao L

Scientific paper

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.

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