Universality of transition temperatures in families of copper-oxide superconductors: interlayer tunneling redux

Angela Kopp; Sudip Chakravarty

doi:10.1117/12.623139

30 August 2005 Universality of transition temperatures in families of copper-oxide superconductors: interlayer tunneling redux

Angela Kopp, Sudip Chakravarty

Author Affiliations +

Proceedings Volume 5932, Strongly Correlated Electron Materials: Physics and Nanoengineering; 593219 (2005) https://doi.org/10.1117/12.623139
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

We revisit the interlayer tunneling theory of high temperature superconductors and formulate it as a mechanism by which the striking systematics of the transition temperature within a given homologous series can be understood. We pay attention not only to the enhancement of pairing, as was originally suggested, but also to the role of competing order parameters that tend to suppress superconductivity, and to the charge imbalance between inequivalent outer and inner CuO₂ planes in a unit cell. Calculations based on a generalized Ginzburg-Landau theory yield results that bear robust and remarkable resemblance to experimental observations.

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Angela Kopp and Sudip Chakravarty "Universality of transition temperatures in families of copper-oxide superconductors: interlayer tunneling redux", Proc. SPIE 5932, Strongly Correlated Electron Materials: Physics and Nanoengineering, 593219 (30 August 2005); https://doi.org/10.1117/12.623139

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