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How to probe a fractionally charged quasihole?

Schüller, Christian, Brooks, K.-B., Schröter, Patrick, Heyn, Christian, Heitmann, Detlef, Bichler, Max, Wegscheider, Werner, Chakraborty, Tapash and Apalkov, Vladimir M. (2004) How to probe a fractionally charged quasihole? Physica E Low-dimensional Systems and Nanostructures 22 (1-3), pp. 131-134.

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We report an anomalous dispersion of charged excitons in photoluminescence experiments on a two-dimensional electron gas subjected to a quantizing magnetic field around v=1/3. We have found that the anomaly exists only at a very low temperature (0.1 K) and an intermediate electron density (0.9×1011 cm−2). It is explained to occur due to the perturbation of the incompressible liquid at v=1/3. The ...


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Item type:Article
Date:April 2004
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Identification Number:
71.30.+h; 73.43.−f; 73.63.Kv; 73.43.LpPACS
Keywords:Quantum Hall effect; Photoluminescence; Fractionally charged particles
Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:11824
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