Freezing of the Dynamics of Spontaneous Electric Field Domains in Microwave-Induced States with a Low Dissipation


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The temperature dependence of the microwave photovoltage has been studied in microwave-induced states of a two-dimensional electron system, which are characterized by an almost dissipationless flow of a low-frequency current. At decreasing temperature, a smooth transition has been found from a bistable state, where the photovoltage demonstrates switching between two levels, which are due to reversals of the spontaneous electric field in a domain structure, to a steady state. The transition occurs as the shift of one of the levels of the bistable photovoltage to the other level accompanied by a decrease in the switching frequency. The results indicate the freezing of the dynamic domain structure in the state corresponding to the more stable configuration of the electric field.

Sobre autores

S. Dorozhkin

Institute of Solid State Physics

Autor responsável pela correspondência
Email: dorozh@issp.ac.ru
Rússia, Chernogolovka, Moscow region, 142432

V. Umansky

Department of Physics

Email: dorozh@issp.ac.ru
Israel, Rehovot, 76100

K. von Klitzing

Max-Planck-Institut für Festkörperforschung

Email: dorozh@issp.ac.ru
Alemanha, Stuttgart, D-70569

J. Smet

Max-Planck-Institut für Festkörperforschung

Email: dorozh@issp.ac.ru
Alemanha, Stuttgart, D-70569

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