Enhancement of the critical temperature of superconductors by Anderson localization
The influence of disorder on the temperature of superconducting transition (T{c}) is studied within the σ-model renormalization-group framework. Electron-electron interaction in particle-hole and Cooper channels is taken into account and assumed to be short range. Two-dimensional systems in the weak...
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| Veröffentlicht in: | Physical review letters 2012-01, Vol.108 (1), p.017002-017002, Article 017002 |
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| container_title | Physical review letters |
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| creator | Burmistrov, I S Gornyi, I V Mirlin, A D |
| description | The influence of disorder on the temperature of superconducting transition (T{c}) is studied within the σ-model renormalization-group framework. Electron-electron interaction in particle-hole and Cooper channels is taken into account and assumed to be short range. Two-dimensional systems in the weak localization and antilocalization regime, as well as systems near mobility edge are considered. It is shown that in all these regimes Anderson localization leads to strong enhancement of T{c} related to the multifractality of wave functions. Screening of the long-range Coulomb interaction thus opens a promising direction for searching novel materials for high-T{c} superconductivity. |
| doi_str_mv | 10.1103/physrevlett.108.017002 |
| format | Article |
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| source | American Physical Society Journals |
| title | Enhancement of the critical temperature of superconductors by Anderson localization |
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