Low Temperature Physics: 34, 794 (2008); https://doi.org/10.1063/1.2981389 (7 pages)
Физика Низких Температур: Том 34, Выпуск 10 (Октябрь 2008), c. 1012-1019    ( к оглавлению , назад )

The Berry phase in graphene and graphite multilayers

G.P. Mikitik and Yu.V. Sharlai

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., Kharkov 61103, Ukraine
E-mail: mikitik@ilt.kharkov.ua
sharlai@ilt.kharkov.ua

Received March 28, 2008

Аннотация

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.

PACS: 73.22.Dj Single particle states;
PACS: 03.65.Sq Semiclassical theories and applications ;
PACS: 03.65.Vf Phases: geometric; dynamic or topological.

Ключевые слова: Berry phase, graphite bilayer.