Schüller, Christian and Brooks, K.-B. and Schröter, P. and Heyn, Ch. and Heitmann, Detlef and Apalkov, V. M. and Chakraborty, Tapash and Bichler, Max and Wegscheider, Werner (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 Image . 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 Image . ...
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|Institutions:||Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group Christian Schüller|
|Keywords:||Quantum Hall effect; Photoluminescence; Fractionally charged particles|
|Subjects:||500 Science > 530 Physics|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||02 Oct 2009 08:25|
|Last Modified:||23 Dec 2009 04:08|