Quantum oscillations in the transverse voltage of a channel in the nonlinear transport regime | Zendy

L. W. Molenkamp | Zendy; H. van Houten | Zendy; C. W. J. Beenakker | Zendy; R. Eppenga | Zendy; C. T. Foxon | Zendy

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Quantum oscillations in the transverse voltage of a channel in the nonlinear transport regime

Author(s) -

L. W. Molenkamp,

H. van Houten,

C. W. J. Beenakker,

R. Eppenga,

C. T. Foxon

Publication year - 1990

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.65.1052

Subject(s) - transverse plane , physics , voltage , condensed matter physics , quantum point contact , quantum , electron , current (fluid) , nonlinear system , atomic physics , quantum mechanics , quantum well , engineering , laser , thermodynamics , structural engineering

A transverse voltage is observed when a current is passed through a narrow channel in a twodimensional electron gas, using two nonidentical opposite point contacts äs voltage probes. The transverse voltage is even in the applied current, and exhibits oscillations äs the number of occupied subbands in one of the voltage probes is varied. The effect is shown to be related to the thermopower of a quantum point contact.

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