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First-order phase transitions in a quantum Hall ferromagnet

Piazza, Vincenzo, Pellegrini, Vittorio, Beltram, Fabio, Wegscheider, Werner, Jungwirth, Tomás and MacDonald, Allan H. (1999) First-order phase transitions in a quantum Hall ferromagnet. Nature 402, pp. 638-641.

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The single-particle energy spectrum of a two-dimensional electron gas in a perpendicular magnetic field consists of equally spaced energy states, known as Landau levels. Each level is split owing to spin interactions, and its degeneracy is proportional to the magnetic field strength. When the ratio, nu (or 'filling factor'), of the number of electrons and the degeneracy of a Landau level takes an ...


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Item type:Article
Date:9 December 1999
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
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Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:11026
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