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Strong-coupling effects and isotope exponents in high-Tc superconductors

✍ Scribed by B. Ashauer; W. Lee; D. Rainer; J. Rammer


Publisher
Elsevier Science
Year
1987
Weight
199 KB
Volume
148
Category
Article
ISSN
0378-4363

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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.