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Shock waves in suspended low-dimensional electron gases

Beil, Florian W. and Shaji, Nakul and Schoeffer, Felix and Wixforth, Achim and Wegscheider, Werner and Schuh, Dieter and 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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Abstract

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.

Item Type:Article
Institutions: Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1016/j.physe.2007.08.060DOI
Classification:
NotationType
68.60.BsPACS
Keywords:Suspended low-dimensional electron gas; Electron–phonon interaction
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner:Martin Kaiser
Deposited On:01 Feb 2010 14:03
Last Modified:21 Jul 2011 00:18
Item ID:12632
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