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Isotope effect and anharmonic models of high-Tc superconductors

✍ Scribed by S.L. Dreschsler; N.M. Plakida


Book ID
108024135
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
135 KB
Volume
153-155
Category
Article
ISSN
0921-4534

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The purpose of this paper is to explain the unusual isotope coefficients of cuprates by considering the influence of a pseudogap and phononic and electronic interactions in weak-coupling limit. Exact analytic expressions of the isotope exponent (a) for the s-and d-wave pairing symmetry are derived.