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Anisotropic Migdal-Eliashberg theory using Wannier functions
Open accessAbstract
We combine the fully anisotropic Migdal-Eliashberg theory with electron-phonon interpolation based on maximally localized Wannier functions, in order to perform reliable and highly accurate calculations of the anisotropic temperature-dependent superconducting gap and critical temperature of conventional superconductors. Compared with the widely used McMillan approximation, our methodology yields a more comprehensive and detailed description of superconducting properties, and is especially relevant for the study of layered or low-dimensional systems as well as systems with complex Fermi surfaces. In order to validate our method we perform calculations on two prototypical superconductors, Pb and MgB${}_{2}$, and obtain good agreement with previous studies.
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Cites
Self-interaction correction to density-functional approximations for many-electron systems
Perdew, J. P., & Zunger, A. (1981) · Physical Review B · doi:10.1103/physrevb.23.5048 · Cited by 20,887
Cited by
Prediction of phonon-mediated superconductivity in borophene
Gao, M., Li, Q.-Z., Yan, X.-W., & Wang, J. (2017) · Physical Review B · doi:10.1103/physrevb.95.024505 · Cited by 293
Superconductivity in the elements, alloys and simple compounds
Webb, G. W., Marsiglio, F., & Hirsch, J. E. (2015) · Physica C: Superconductivity and its Applications · doi:10.1016/j.physc.2015.02.037 · Cited by 94
Metadata
- Authors
- Margine, E. R., & Giustino, F.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2013-01-09
- Volume
- 87
- Issue
- 2
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W1988089558
- Cited by
- 429
- References
- 1
- FWCI
- 5.05
- Type
- journal article
- Language
- en
- Open access
- green
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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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