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Type: Artigo de periódico
Title: Isotope effects in high-T-c cuprate superconductors as support for the bipolaron theory of superconductivity
Author: Alexandrov, AS
Zhao, GM
Abstract: We provide a unified parameter-free explanation of the observed oxygen-isotope effects on the critical temperature, the magnetic-field penetration depth and on the normal-state pseudogap for underdoped cuprate superconductors within the framework of the multi-(bi)polaron theory with strong Coulomb and Frohlich interactions. We also quantitatively explain the measured critical temperature and the magnitude of the magnetic-field penetration depth. This paper thus represents an important support for the bipolaron theory of high-temperature superconductivity, compatible with many other independent observations.
Country: Inglaterra
Editor: Iop Publishing Ltd
Rights: aberto
Identifier DOI: 10.1088/1367-2630/14/1/013046
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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