外磁场中的晶格平面QED
Lattice Planar QED in external magnetic field
摘要:
研究了晶格上两个简并交错费米子在外加磁场中的平面量子电动力学。我们的初步结果表明,在外部磁场中,在弱耦合区,二维无质量狄拉克费米子存在质量的动力学产生。我们对石墨烯中的量子霍尔效应的可能影响进行了评论。
英文摘要:
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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