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Optical Probing of a Fractionally Charged Quasihole in an Incompressible Liquid

Schüller, Christian and Broocks, K.-B. and Schröter, P. and Heyn, Ch. and Heitmann, Detlef and Bichler, Max and Wegscheider, Werner and Chakraborty, Tapash and Apalkov, V. M. (2003) Optical Probing of a Fractionally Charged Quasihole in an Incompressible Liquid. Applied Physics Letters 91 (11; 4 ), 116403 .

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Other URL: http://link.aps.org/doi/10.1103/PhysRevLett.91.116403


In photoluminescence spectroscopy of a low-mobility two-dimensional electron gas subjected to a quantizing magnetic field, we observe an anomaly around nu= (1/3) at a very low temperature (0.1 K) and an intermediate electron density (0.9×1011 cm–2). The anomaly is explained as due to perturbation of the incompressible liquid at the Laughlin state due to close proximity of a localized charged ...


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Item type:Article
Date:11 September 2003
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group Christian Schüller
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Keywords:two-dimensional electron gas, photoluminescence, excitons, electric charge, quasiparticles, magnetic field effects, localised states, energy gap
Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Deposited on:21 Sep 2009 07:14
Last modified:13 Mar 2014 11:00
Item ID:9493
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