Abstract
A previously developed formalism to compute relativistic corrections of bound state energies for spin-1/2 particles is applied to relativistic corrections of energy bands of one-dimensional, periodic Hamiltonians. We explicitly describe Floquet theory for periodic Dirac operators on the line. Extensions including impurity potentials and/or v≥2 dimensions are straightforward and sketched at the end.
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Bulla, W., Gesztesy, F. & Unterkofler, K. On relativistic energy band corrections in the presence of periodic potentials. Lett Math Phys 15, 313–324 (1988). https://doi.org/10.1007/BF00419589
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DOI: https://doi.org/10.1007/BF00419589