Degenerate band edges in periodic quantum graphs

10 Jun 2020 Berkolaiko Gregory Kha Minh

Edges of bands of continuous spectrum of periodic structures arise as maxima and minima of the dispersion relation of their Floquet--Bloch transform. It is often assumed that the extrema generating the band edges are non-degenerate... (read more)

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Categories


  • SPECTRAL THEORY
  • MESOSCALE AND NANOSCALE PHYSICS
  • MATERIALS SCIENCE
  • MATHEMATICAL PHYSICS
  • MATHEMATICAL PHYSICS