Abstract
The superconducting transition temperature is calculated as a function of the electron-phonon and electron-electron coupling constants within the framework of the strong-coupling theory. Using this theoretical result, we find empirical values of the coupling constants and the "band-structure" density of states for a number of metals and alloys. It is noted that the electron-phonon coupling constant depends primarily on the phonon frequencies rather than on the electronic properties of the metal. Finally, using these results, one can predict a maximum superconducting transition temperature.
Keywords
SuperconductivityCondensed matter physicsCoupling constantElectronCoupling (piping)Transition temperaturePhononSuperconducting transition temperatureMaterials scienceTransition metalConstant (computer programming)PhysicsQuantum mechanicsChemistry
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Publication Info
- Year
- 1968
- Type
- article
- Volume
- 167
- Issue
- 2
- Pages
- 331-344
- Citations
- 5589
- Access
- Closed
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Cite This
W. L. McMillan
(1968).
Transition Temperature of Strong-Coupled Superconductors.
Physical Review
, 167
(2)
, 331-344.
https://doi.org/10.1103/physrev.167.331
Identifiers
- DOI
- 10.1103/physrev.167.331