Spin-fluctuation drag thermopower of nearly ferromagnetic metals
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 be...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2010-03, Vol.22 (11), p.115604-115604 |
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| container_end_page | 115604 |
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| container_issue | 11 |
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| container_title | Journal of physics. Condensed matter |
| container_volume | 22 |
| creator | Okabe, Takuya |
| description | 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 the correction terms as in the specific heat. |
| doi_str_mv | 10.1088/0953-8984/22/11/115604 |
| format | Article |
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| ispartof | Journal of physics. Condensed matter, 2010-03, Vol.22 (11), p.115604-115604 |
| issn | 0953-8984 1361-648X |
| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Condensed matter Condensed matter: electronic structure, electrical, magnetic, and optical properties Conductivity phenomena in semiconductors and insulators Drag Electronic transport in condensed matter Exact sciences and technology Ferromagnetic materials Ferromagnetism Fluctuation Physics Seebeck effect Specific heat Temperature dependence Thermoelectric and thermomagnetic effects |
| title | Spin-fluctuation drag thermopower of nearly ferromagnetic metals |
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