Possible Field-Tuned Superconductor-Insulator Transition in High-Tc Superconductors: Implications for Pairing at High Magnetic Fields

M. A. Steiner, G. Boebinger, and A. Kapitulnik
Phys. Rev. Lett. 94, 107008 – Published 18 March 2005

Abstract

The behavior of some high temperature superconductors (HTSC), such as La2xSrxCuO4 and Bi2Sr2xLaxCuO6+δ, at very high magnetic fields, is similar to that of thin films of amorphous InOx near the magnetic-field-tuned superconductor-insulator transition. Analyzing the InOx data at high fields in terms of persisting local pairing amplitude, we argue by analogy that the local pairing amplitude also persists well into the dissipative state of the HTSCs, the regime commonly denoted as the “normal state” in very high magnetic field experiments.

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  • Received 9 June 2004

DOI:https://doi.org/10.1103/PhysRevLett.94.107008

©2005 American Physical Society

Authors & Affiliations

M. A. Steiner1, G. Boebinger2, and A. Kapitulnik1,3

  • 1Department of Applied Physics, Stanford University, Stanford, California 94305, USA
  • 2National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, USA
  • 3Department of Physics, Stanford University, Stanford, California 94305, USA

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Vol. 94, Iss. 10 — 18 March 2005

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