Semiclassical Quantization Rule for Bound-State Spectrum in Quantum Dots: Scattering Phase Approximation

Details Semiclassical Quantization Rule for Bound-State Spectrum in Quantum Dots: Scattering Phase Approximation Semiclassical Quantization Rule for Bound-State Spectrum in Quantum Dots: Scattering Phase Approximation

2003-03-18

arxiv.org/abs/cond-mat/0303329v3

Phys. Rev. B 68, 205104 (2003)

Physics

Condensed Matter

REVTeX4, 6 pages, 3 figures, minor typos fixed and some references added

Scientific paper

10.1103/PhysRevB.68.205104

We study the quantum propagator in the semiclassical limit with sharp confining potentials. Including the energy-dependent scattering phase due to sharp confining potential, the modified Van Vleck's formula is derived. We also discuss the close relations among quantum statistics, discrete gauge symmetry, and hard-wall constraints. Most of all, we formulate a new quantization rule that applies to {\it both} smooth and sharp boundary potentials. It provides an easy way to compute quantized energies in the semiclassical limit and is extremely useful for many physical systems.

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