C. A. A. de Carvalho, R. M. Cavalcanti, E. S. Fraga, S. E. Joras
Published 2000-12-21Version 1
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.
Comments: 5 pages, 1 figure, Latex. Contribution to the Proceedings of the XXI Brazilian National Meeting on Particles and Fields (Sao Lourenco, October 23-27, 2000)
On the Basis of Quantum Statistical Mechanics
Effect of double local quenches on Loschmidt echo and entanglement entropy of a one-dimensional quantum system
Many body localization and thermalization in quantum statistical mechanics
