Effect of electron-electron interaction on thermoelectric power in impure metals |
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Authors: | K D Belashchenko D V Livanov A V Sergeev |
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Institution: | (1) Kurchatov Institute, 123182 Moscow, Russia;(2) Moscow Institute of Steel and Alloys, 117936 Moscow, Russia;(3) Moscow State Pedagogical University, 119435 Moscow, Russia |
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Abstract: | A new kinetic phenomenon related to the effect of electron-electron scattering on the thermoelectric coefficient η a conductor with a small electron mean free path l is considered. The effect is proportional to the electron-hole asymmetry factor (ε
Fτ)−1 and the real part of the diffusion-enhanced Coulomb propagator with characteristic wave vectors of up to l
−1. Unlike weak localization effects, in the two-dimensional case this effect results in a logarithmic temperature dependence
of η and yields the major contribution to the differential thermoelectric power.
Zh. éksp. Teor. Fiz. 111, 1738–1747 (May 1997) |
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