Spin-Fluctuation Drag Thermopower of Nearly Ferromagnetic Metals

Details Spin-Fluctuation Drag Thermopower of Nearly Ferromagnetic Metals Spin-Fluctuation Drag Thermopower of Nearly Ferromagnetic Metals

2009-04-02

arxiv.org/abs/0904.0287v2

J. Phys.: Condens. Matter 22 (2010) 115604.

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

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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