Observation of Spin-Orbit Berry's Phase in Magnetoresistance of a Two-Dimensional Hole Anti-dot System - Condensed Matter Mesoscale and Nanoscale PhysicsReportar como inadecuado




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Abstract: We report observation of spin-orbit Berrys phase in the Aharonov-Bohm ABtype oscillation of weak field magnetoresistance in an anti-dot lattice ADLof a two-dimensional hole system. An AB-type oscillation is superposed on thecommensurability peak, and the main peak in the Fourier transform is clearlysplit up due to variation in Berrys phase originating from the spin-orbitinteraction. A simulation considering Berrys phase and the phase arising fromthe spin-orbit shift in the momentum space shows qualitative agreement with theexperiment.



Autor: Ning Kang, Eisuke Abe, Yoshiaki Hashimoto, Yasuhiro Iye, Shingo Katsumoto

Fuente: https://arxiv.org/







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