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Savenko, Ivan
복잡계 이론물리 연구단
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Acoustomagnetoelectric effect in two-dimensional materials: Geometric resonances and Weiss oscillations

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Title
Acoustomagnetoelectric effect in two-dimensional materials: Geometric resonances and Weiss oscillations
Author(s)
Ivan Savenko; A. V. Kalameitsev; L. G. Mourokh; V. M. Kovalev
Subject
SURFACE ACOUSTIC-WAVES, ; CYCLOTRON-RESONANCE, ; BLOCH ELECTRONS, ; DIRAC FERMIONS, ; MAGNETOTRANSPORT
Publication Date
2020-07
Journal
PHYSICAL REVIEW B, v.102, no.4, pp.045407
Publisher
AMER PHYSICAL SOC
Abstract
© 2020 American Physical Society. We study electron transport in two-dimensional materials with parabolic and linear (graphene) dispersions of the carriers in the presence of surface acoustic waves and an external magnetic field using semiclassical Boltzmann equations approach. We observe an oscillatory behavior of both the longitudinal and Hall electric currents as functions of the surface acoustic wave frequency at a fixed magnetic field and as functions of the inverse magnetic field at a fixed frequency of the acoustic wave. We explain the former by the phenomenon of geometric resonances, while we relate the latter to the Weiss-like oscillations in the presence of the dynamic superlattice created by the acoustic wave. Thus we demonstrate the dual nature of the acoustomagnetoelectric effect in two-dimensional electron gas
URI
https://pr.ibs.re.kr/handle/8788114/7753
DOI
10.1103/PhysRevB.102.045407
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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