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Optical Probing of a Fractionally Charged Quasihole in an Incompressible Liquid

Schüller, Christian, Broocks, Kay-Birger, Schröter, Patrick, Heyn, Christian, Heitmann, Detlef, Bichler, Max, Wegscheider, Werner, Chakraborty, Tapash and Apalkov, V. M. (2003) Optical Probing of a Fractionally Charged Quasihole in an Incompressible Liquid. Physical Review Letters (PRL) 91 (11), p. 116403.

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Abstract

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:12 September 2003
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1103/PhysRevLett.91.116403DOI
Related URLs:
URLURL Type
http://link.aps.org/doi/10.1103/PhysRevLett.91.116403Publisher
Classification:
NotationType
71.30.+h, 73.43.Lp, 73.63.KvPACS
Keywords:two-dimensional electron gas, photoluminescence, excitons, electric charge, quasiparticles, magnetic field effects, localised states, energy gap
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:12755
Owner only: item control page

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