Vertex Corrections to the Electrical Conductivity of the Disordered Falicov-Kimball Model |
| V. Pokorný and V. Janiš
Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, CZ-18221 Praha, Czech Republic |
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| Quantum coherence of elastically scattered lattice fermions is studied. We calculate vertex corrections to the electrical conductivity of electrons scattered either on thermally equilibrated or statically distributed random impurities and we demonstrate that the sign of the vertex corrections to the Drude conductivity is in both cases negative. |
| DOI: 10.12693/APhysPolA.118.922 PACS numbers: 71.10.Fd, 71.28.+d, 72.10.Fk |