Fermi-liquid phase of the t-J model and the Hall coefficient in high-temperature superconductors
The Hall coefficient in the strongly correlated Fermi-liquid phase of the t-J model is studied for moderate hole concentrations. The quasi-particle self-energy is strongly k-dependent due to gauge-field interactions. It leads to corrections to the Fermi surface curvature and to enhancement of the qu...
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| Veröffentlicht in: | Physical review letters 1992-03, Vol.68 (13), p.2078-2081 |
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| container_title | Physical review letters |
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| creator | SA DE MELO, C. A. R WANG, Z DONIACH, S |
| description | The Hall coefficient in the strongly correlated Fermi-liquid phase of the t-J model is studied for moderate hole concentrations. The quasi-particle self-energy is strongly k-dependent due to gauge-field interactions. It leads to corrections to the Fermi surface curvature and to enhancement of the quasi-particle lifetime in the holelike region. A systematic treatment of the strong local correlations to next-to-leading order in 1/N is sufficient to give rise to a sign change in the Hall coefficient. This effect occurs near 0.20 doping for J/t = 0.2 and thought to be relevant to the high-Tc materials. (Author) |
| doi_str_mv | 10.1103/PhysRevLett.68.2078 |
| format | Article |
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A systematic treatment of the strong local correlations to next-to-leading order in 1/N is sufficient to give rise to a sign change in the Hall coefficient. This effect occurs near 0.20 doping for J/t = 0.2 and thought to be relevant to the high-Tc materials. (Author)</abstract><cop>Ridge, NY</cop><pub>American Physical Society</pub><pmid>10045298</pmid><doi>10.1103/PhysRevLett.68.2078</doi><tpages>4</tpages></addata></record> |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Physics Properties of type I and type II superconductors Superconductivity Transport properties (electric and thermal conductivity, thermoelectric effects, etc.) |
| title | Fermi-liquid phase of the t-J model and the Hall coefficient in high-temperature superconductors |
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