Spectral Properties of Relativistic Quantum Waveguides
Annales Henri Poincaré(2022)
摘要
We make a spectral analysis of the massive Dirac operator in a tubular neighbourhood of an unbounded planar curve, subject to infinite mass boundary conditions. Under general assumptions on the curvature, we locate the essential spectrum and derive an effective Hamiltonian on the base curve which approximates the original operator in the thin-strip limit. We also investigate the existence of bound states in the non-relativistic limit and give a geometric quantitative condition for the bound states to exist.
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关键词
35P05,81Q10,81Q15,81Q37,82D77
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