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Superexchange mechanism and d-wave superconductivity
Abstract
We have formulated an auxiliary-boson mean-field theory consistent with the SU(2) symmetry of the Heisenberg model. At half filling, we find an infinite number of solutions related by the symmetry. Away from half filling the kinetic energy, acting as a symmetry-breaking field, selects a superconducting state of d-wave symmetry. The mean-field theory describes bosons and fermions with finite kinetic energy close to half filling. We derive self-consistent equations for the superconducting transition temperature ${T}_{c}$. We find that ${T}_{c}$ vanishes at large and small filling factors.
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Cites
Possible highT c superconductivity in the Ba?La?Cu?O system
Bednorz, J. G., & M�ller, K. A. (1986) · Zeitschrift f�r Physik B Condensed Matter · doi:10.1007/bf01303701 · Cited by 14,319
Cited by
The pseudogap in high-temperature superconductors: an experimental survey
Timusk, T., & Statt, B. (1999) · Reports on Progress in Physics · doi:10.1088/0034-4885/62/1/002 · Cited by 2,121
Chen, X., Gu, Z.-C., & Wen, X.-G. (2010) · Physical Review B · doi:10.1103/physrevb.82.155138 · Cited by 891
Marshall, D. S., Dessau, D. S., Loeser, A. G., Park, C.-H., Matsuura, A. Y., Eckstein, J. N., Bozovic, I., Fournier, P., Kapitulnik, A., Spicer, W. E., et al. (1996) · Physical Review Letters · doi:10.1103/physrevlett.76.4841 · Cited by 608
Localized states in a d-wave superconductor
Lee, P. A. (1993) · Physical Review Letters · doi:10.1103/physrevlett.71.1887 · Cited by 573
Metadata
- Authors
- Kotliar, G., & Liu, J.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1988-09-01
- Volume
- 38
- Issue
- 7
- Pages
- 5142-5145
- ISSN
- 0163-1829 (ISSN-L)
- OpenAlex
- W1980180066
- Cited by
- 601
- References
- 1
- FWCI
- 3.43
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kotliar, G., & Liu, J. (1988). Superexchange mechanism and d-wave superconductivity. Physical Review B. https://doi.org/10.1103/physrevb.38.5142
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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