Journal
PHYSICAL REVIEW B
Volume 81, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.165103
Keywords
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Funding
- Academy of Sciences of the Czech Republic [AV0Z10100520]
- Grant Agency of the Czech Republic [202/07/0644]
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We study quantum coherence of elastically scattered lattice fermions. We calculate vertex corrections to the electrical conductivity of electrons scattered either on thermally equilibrated or statically distributed random impurities. We demonstrate that the sign of the vertex corrections to the Drude conductivity is in both cases negative. Quantum coherence due to elastic back scatterings always leads to diminution of diffusion.
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