Spin-Fluctuation Drag Thermopower of Nearly Ferromagnetic Metals

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Okabe, Takuya
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We investigate theoretically the Seebeck effect in materials close to a ferromagnetic quantum critical point to explain anomalous behaviour at low temperatures. It is found that the main effect of spin fluctuations is to enhance the coefficient of the leading $T$-linear term, and a quantum critical behaviour characterized by a spin-fluctuation temperature appears in the temperature dependence of correction terms as in the specific heat.
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Condensed Matter - Strongly Correlated Electrons
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