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Shock waves in suspended low-dimensional electron gases

Beil, Florian W., Shaji, Nakul, Schoeffer, Felix, Wixforth, Achim, Wegscheider, Werner, Schuh, Dieter, Bichler, Max and Blick, Robert H. (2008) Shock waves in suspended low-dimensional electron gases. Physica E Low-dimensional Systems and Nanostructures 40 (5), pp. 1191-1193.

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We study the formation of shock waves in a suspended two-dimensional electron gas using surface acoustic waves. The mechanical displacement of the nano-resonator is read out via the induced acoustoelectric current. Applying acoustical standing waves, we are able to determine the anomalous acoustocurrent. This current is only obtained in the regime of shock wave formation. We find very good agreement with model calculations.

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Item type:Article
Date:March 2008
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
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Keywords:Suspended low-dimensional electron gas; Electron–phonon interaction
Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:12632
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