Anomalous Magnetic Susceptibility and Hall Effect from Valley Degrees of Freedom

Details Anomalous Magnetic Susceptibility and Hall Effect from Valley Degrees of Freedom Anomalous Magnetic Susceptibility and Hall Effect from Valley Degrees of Freedom

2011-03-30

arxiv.org/abs/1103.5851v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

12 pages, 5 figures

Scientific paper

We study the magnetic and transport properties of epitaxial graphene films in
this letter. We predict enhanced signal of magnetic susceptibility and relate
it to the intrinsic valley magnetic moments. There is also an anomalous
contribution to the ordinary Hall effect, which is due to the valley dependent
Berry phase or valley-orbit coupling.

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