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Direct Observation of Hole Edge Channels in a Two Dimensional Electron Gas

Paassen, A., Zrenner, Artur, Efros, A. L., Stopa, M., Frankenberger, J., Bichler, Max and Wegscheider, Werner (1999) Direct Observation of Hole Edge Channels in a Two Dimensional Electron Gas. Physical Review Letters 83 (15), pp. 3033-3036.

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Abstract

We report the direct optical observation of confinement and transport of minority holes in a two dimensional electron gas. In spatially resolved magneto-optical experiments we observe hole confinement at the edge of a two dimensional electron gas and hole transport in edge channels. In a theoretical analysis we show that a repulsive edge potential for holes at the boundary of a two dimensional electron gas is caused by a polaron effect.


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Item type:Article
Date:11 October 1999
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1103/PhysRevLett.83.3033DOI
Related URLs:
URLURL Type
http://link.aps.org/doi/10.1103/PhysRevLett.83.3033Publisher
Classification:
NotationType
73.50.Pz, 72.20.Fr, 72.20.Ht, 73.40.HmPACS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:11005
Owner only: item control page

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