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Large copper isotope effect on the pseudogap in the high-temperature superconductor HoBa2Cu4O8

✍ Scribed by D. Rubio Temprano; J. Mesot; S. Janssen; K. Conder; A. Furrer; A. Sokolov; V. Trounov; S.M. Kazakov; J. Karpinski; K.A. Müller

Publisher
Springer
Year
2001
Tongue
English
Weight
293 KB
Volume
19
Category
Article
ISSN
1434-6036

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Effect of Pseudogap on the Isotope Expon
Effect of Pseudogap on the Isotope Exponent of High-Tc Superconductors
✍ P. Udomsamuthirun 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 97 KB 👁 2 views

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.