Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2000-01-24
Phys. Rev. A vol.62, 042109 (2000).
Nonlinear Sciences
Chaotic Dynamics
Scientific paper
10.1103/PhysRevA.62.042109
Semiclassical periodic orbit theory is used in many branches of physics. However, most applications of the theory have been to systems which involve only single particle dynamics. In this work, we develop a semiclassical formalism to describe the density of states for two noninteracting particles. This includes accounting properly for the particle exchange symmetry. As concrete examples, we study two identical particles in a disk and in a cardioid. In each case, we demonstrate that the semiclassical formalism correctly reproduces the quantum densities.
Sakhr Jamal
Whelan Niall D.
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