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Influence of spin on the activation energies at ν=1/3
Dethlefsen, A. F., Mariani, E., Wegscheider, Werner and Haug, R. J. (2006) Influence of spin on the activation energies at ν=1/3. Physica E Low-dimensional Systems and Nanostructures 34 (1-2), pp. 108-111.Date of publication of this fulltext: 25 Jan 2010 13:23
Article
DOI to cite this document: 10.5283/epub.12200
Abstract
The activation energy Δ of the fractional quantum Hall state at constant filling factor View the MathML source and also at View the MathML source and View the MathML source has been measured as a function of the perpendicular magnetic field B while modulating the electron density via a top gate. At small magnetic fields we observe a linear increase of Δ with the magnetic field. The slope of Δ vs. B allows us to directly extract the composite fermion g-factor.
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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: | 34 | ||||
| Number of Issue or Book Chapter: | 1-2 | ||||
| Page Range: | pp. 108-111 | ||||
| Date | August 2006 | ||||
| Institutions | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider | ||||
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| Keywords | Magneto-transport; Fractional quantum Hall effect; 2D electron gas; Activation energy | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Unknown | ||||
| Created at the University of Regensburg | Unknown | ||||
| Item ID | 12200 |
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