Research Papers in Physics and Astronomy

 

Date of this Version

5-23-1988

Comments

Published in Phys. Rev. B VOLUME 60, NUMBER 21, 23 May 1988. Copyright © 1988 The American Physical Society. Used by permission.

Abstract

A new mechanism is proposed to explain high-Tc superconductivity in copper-oxide-based, open perovskitelike systems. It is shown that, should the oxygen ions be moving in a double-well potential, an order-of-magnitude enhancement of the electron-lattice coupling follows automatically from a consistent treatment of this motion. Both theoretical and experimental evidence for the presence of such double wells is cited.

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