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Remark about influence of the phonon-charged boson interaction on the isotope effect

✍ Scribed by Z.M. Galasiewicz


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
187 KB
Volume
160
Category
Article
ISSN
0921-4534

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On the influence of anharmonicity on the
✍ T. Galbaatar; S.L. Drechsler; N.M. Plakida; G.M. Vujicic πŸ“‚ Article πŸ“… 1991 πŸ› Elsevier Science 🌐 English βš– 179 KB

The effect of double-well type lattice anharmonicity on the superconducting temperature and its isotope effect is investigated beyond the two-level approximation (TLA) within the Eliashberg theory. It is shown that anharmonicity can greatly modify the isotope effect; In particular anomalously large