Schüller, Christian and Brooks, K.-B. and Schröter, Patrick and Heyn, Christian and Heitmann, Detlef and Bichler, Max and Wegscheider, Werner and Chakraborty, Tapash and Apalkov, Vladimir M.
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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