期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 26, 期 8, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/26/8/085801
关键词
topological insulators; magnetoresistance; interlayer transport; conductance
资金
- University of Queensland
We show that in a layered metal, the angle dependent, finite frequency, interlayer magnetoresistance is altered due to the presence of a non-zero Berry curvature at the Fermi surface. At zero frequency, we find a conservation law which demands that the 'magic angle' condition for interlayer magnetoresistance extrema as a function of magnetic field tilt angle is essentially both field and Berry curvature independent. In the finite frequency case, however, we find that surprisingly large signatures of a finite Berry curvature occur in the periodic orbit resonances. We outline a method whereby the presence and magnitude of the Berry curvature at the Fermi surface can be extracted.
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