Metallic behavior and related phenomena in two dimensions
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- 14 March 2001
- journal article
- research article
- Published by American Physical Society (APS) in Reviews of Modern Physics
- Vol. 73 (2), 251-266
- https://doi.org/10.1103/revmodphys.73.251
Abstract
For about 20 years, it has been the prevailing view that there can be no metallic state or metal-insulator transition in two dimensions in zero magnetic field. In the last several years, however, unusual behavior suggestive of such a transition has been reported in a variety of dilute two-dimensional electron and hole systems. The physics behind these observations is at present not understood. The authors review and discuss the main experimental findings and suggested theoretical models.Keywords
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