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Phonon-Mediated Nonequilibrium Interaction between Nanoscale Devices

URN to cite this document:
urn:nbn:de:bvb:355-epub-90033
Schinner, G.J. ; Tranitz, H.-P. ; Wegscheider, Werner ; Kotthaus, J.P. ; Ludwig, S.
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Date of publication of this fulltext: 17 Aug 2009 10:56


Abstract

Interactions between mesoscopic devices induced by interface acoustic phonons propagating in the plane of a two-dimensional electron system (2DES) are investigated by phonon spectroscopy. In our experiments, ballistic electrons injected from a biased quantum point contact emit phonons and a portion of them are reabsorbed exciting electrons in a nearby degenerate 2DES. We perform energy ...

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