Polarization dependence of microwave-induced magnetoconductivity oscillations in a two-dimensional electron gas on liquid helium

The dependence of radiation-induced dc magnetoconductivity oscillations on the microwave polarization is theoretically studied for a two-dimensional system of strongly interacting electrons formed on the surface of liquid helium. Two different theoretical mechanisms of magnetooscillations (the displ...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2017-06, Vol.43 (6), p.650-657
Main Author: Monarkha, Yu. P.
Format: Article
Language:English
Subjects:
Circular polarization
Cyclotron resonance
Dependence
Electron gas
Helium
Linear polarization
Liquid helium
Magnetic fields
Oscillations
Photoconductivity
Radiation effects
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Summary:The dependence of radiation-induced dc magnetoconductivity oscillations on the microwave polarization is theoretically studied for a two-dimensional system of strongly interacting electrons formed on the surface of liquid helium. Two different theoretical mechanisms of magnetooscillations (the displacement and inelastic models) are investigated. We found that both models are similarly sensitive to a change of circular polarization, but they respond differently to a change of linear polarization. Theoretical results are compared with the recent observation of a photoconductivity response at cyclotron-resonance harmonics.
ISSN:1063-777X
1090-6517
DOI:10.1063/1.4985971