Lattice Planar QED in external magnetic field
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✦ hep-lat
keywords
externalmagneticfermionsfieldlatticeplanarquantumcomment
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We investigate planar Quantum ElectroDynamics (QED) with two degenerate staggered fermions in an external magnetic field on the lattice. Our preliminary results indicate that in external magnetic fields there is dynamical generation of mass for two-dimensional massless Dirac fermions in the weak coupling region. We comment on possible implications to the quantum Hall effect in graphene.
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