Acoustoelectric current and pumping in a ballistic quantum point contact

Y. Levinson*, O. Entin-Wohlman, P. Wölfle

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

The acoustoelectric current in a ballistic quantum point contact is studied using a quantum approach. The acoustoelectric current is found to be of the `pumping' type and is not related to drag, which is the momentum transfer from the surface acoustic wave to the electron gas.

Original languageEnglish
Pages (from-to)634-637
Number of pages4
JournalPhysical Review Letters
Volume85
Issue number3
DOIs
StatePublished - 17 Jul 2000

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