QED2+ 1 with nonzero fermion density and the quantum Hall effect
V Zeitlin - Physics Letters B, 1995 - Elsevier
Physics Letters B, 1995•Elsevier
A general expression for the conductivity in the QED2+ 1 with nonzero fermion density in a
uniform magnetic field is derived. It is shown that the conductivity is entirely determined by
the Chern-Simons coefficient: σij= εijC and that it shows discrete steps as a function of the
chemical potential and the magnetic field.
uniform magnetic field is derived. It is shown that the conductivity is entirely determined by
the Chern-Simons coefficient: σij= εijC and that it shows discrete steps as a function of the
chemical potential and the magnetic field.
A general expression for the conductivity in the QED2+1 with nonzero fermion density in a uniform magnetic field is derived. It is shown that the conductivity is entirely determined by the Chern-Simons coefficient: σij = εijC and that it shows discrete steps as a function of the chemical potential and the magnetic field.
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