Density Correlations of Magnetic Impurities and Disorder

Details Density Correlations of Magnetic Impurities and Disorder Density Correlations of Magnetic Impurities and Disorder

1996-06-25

arxiv.org/abs/cond-mat/9606189v1

Physics

Condensed Matter

latex, 16 pages, 2 figures upon request

Scientific paper

10.1088/0305-4470/30/21/007

We consider an electron coupled to a random distribution of point vortices in the plane (magnetic impurities). We analyze the effect of the magnetic impurities on the density of states of the test particle, when the magnetic impurities have a spatial probability distribution governed by Bose or Fermi statistic at a given temperature. Comparison is made with the Poisson distribution, showing that the zero temperature Fermi distribution corresponds to less disorder. A phase diagram describing isolated impurities versus Landau level oscillations is proposed.

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