Semiclassical Time Evolution and Trace Formula for Relativistic Spin-1/2 Particles
作者： Jens Bolte , Stefan Keppeler
DOI: 10.1103/PHYSREVLETT.81.1987
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摘要: We investigate the Dirac equation in semiclassical limit \hbar --> 0. A propagator and a trace formula are derived shown to be determined by classical orbits of relativistic point particle. In addition, two phase factors enter, one which can calculated from Thomas precession spin transported along particle orbits. For second factor we provide an interpretation terms dynamical geometric phases.
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