Magnetic field anti-symmetry of photovoltaic voltage in evanescent microwave fields

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dc.creatorChepelianskii, A.
dc.creatorGuéron, S.
dc.creatorPierre, F.
dc.creatorCavanna, A.
dc.creatorEtienne, B.
dc.creatorBouchiat, H.
dc.date2008-09-29
dc.date.accessioned2026-07-07T10:06:09Z
dc.date.available2026-07-07T10:06:09Z
dc.descriptionA two dimensional electron system without spatial inversion symmetry develops a sample specific dc voltage when exposed to a microwave radiation at low temperature. We investigate this photovoltaic (PV) effect, in the case where spatial symmetry is broken by an evanescent high-frequency potential. We measure the induced PV voltage in a ${\rm GaAs/Ga_{1-x}Al_{x}As}$ Hall bar at magnetic fields in the Tesla range. We find that in this regime the induced PV voltage is anti-symmetric with magnetic field, and exhibits regular Shubnikov-de Haas like oscillations. Our experimental results can be understood from a simple model, which describes the effect of stationary orbital currents caused by microwave driving.
dc.identifierhttps://arxiv.org/abs/0809.4948
dc.identifierhttp://arxiv.org/abs/0809.4948
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170230
dc.subjectMesoscale and Nanoscale Physics
dc.titleMagnetic field anti-symmetry of photovoltaic voltage in evanescent microwave fields
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