Uniform semiclassical approximation in quantum statistical mechanics
de Carvalho, C. A. A. · Cavalcanti, R. M. · Fraga, E. S. · Joras, S. E.
Original · EN
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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