The Berry phase in graphene and graphite multilayers
Graphene and graphite multilayers
DOI (Low Temperature Physics):
https://doi.org/10.1063/1.2981389Ключові слова:
Berry phase, graphite bilayer.Анотація
We discuss the electron energy spectra and the Berry phases for graphene, a graphite bilayer, and bulk graphite allowing for a small spin-orbit interaction. If an electron orbit in the Brillouin zone surrounds several Dirac points (band-contact lines in graphite), one can find relative signs of the Berry phases generated by these points (lines) by taking into account this interaction.Завантаження
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