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Incompressible strips and edge states?

  1. Apr 24, 2010 #1
    I'm reading the paper by D.B. Chklovskii where he quantitatively describes the appearance of strips of incompressible electron fluid in a 2DEG when a magnetic field is applied to it. What I don't get is the relationship between these strips of incompressibility and the edge states in the 2DEG? Maybe I missed something but my (undergrad) understanding would be that the compressible regions are the edge states and the incompressible regions separate them?

    Thanks.

    Edit: sorry paper is here http://prb.aps.org/abstract/PRB/v47/i19/p12605_1
     
    Last edited: Apr 24, 2010
  2. jcsd
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