Theory of orbital magnetization in disordered systems

  title={Theory of orbital magnetization in disordered systems},
  author={Guobao Zhu and Shengyuan A Yang and Cheng Fang and Wu Liu and Yugui Yao},
  • Guobao Zhu, Shengyuan A Yang, +2 authors Yugui Yao
  • Published 2012
  • Physics
  • We present a general formula of the orbital magnetization of disordered systems based on the Keldysh Green's function theory in the gauge-covariant Wigner space. In our approach, the gauge invariance of physical quantities is ensured from the very beginning, and the vertex corrections are easily included. Our formula applies not only for insulators but also for metallic systems where the quasiparticle behavior is usually strongly modified by the disorder scattering. In the absence of disorders… CONTINUE READING

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