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Measurements of the compressibility of the composite fermion metallic state in a 2D electron system
Dorozhkin, S. I., Smet, J. H., Klitzing, Klaus von, Umansky, V., Wegscheider, Werner, Haug, R. J. and Ploog, K. (2002) Measurements of the compressibility of the composite fermion metallic state in a 2D electron system. Physica E Low-dimensional Systems and Nanostructures 12 (1-4), pp. 97-100.Date of publication of this fulltext: 07 Dec 2009 13:06
Article
DOI to cite this document: 10.5283/epub.11304
Abstract
It is well-established that the electron–electron interaction strongly affects the compressibility of a two-dimensional electron system at zero magnetic field and even leads to the negative sign of the compressibility. Surprisingly, we find that its contribution is almost identical for the metallic states of electrons at zero magnetic field and of composite fermions at Landau level filling 1/2.
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| Item type | Article | ||||
| Journal or Publication Title | Physica E Low-dimensional Systems and Nanostructures | ||||
| Publisher: | Elsevier | ||||
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| Volume: | 12 | ||||
| Number of Issue or Book Chapter: | 1-4 | ||||
| Page Range: | pp. 97-100 | ||||
| Date | January 2002 | ||||
| Institutions | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider | ||||
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| Keywords | Fractional quantum Hall effect; Composite fermions; Compressibility | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Unknown | ||||
| Created at the University of Regensburg | Unknown | ||||
| Item ID | 11304 |
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