A possible mechanism of high $T_c$ superconductivity involving biexcitons

Singh, P and Sinha, KP (1990) A possible mechanism of high $T_c$ superconductivity involving biexcitons. In: Solid State Communications, 73 (1). pp. 45-47.

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Abstract

A new mechanism for high $T_c$ superconductors involving biexcitons resulting from the possible electronic polarization of the surrounding medium in which $Cu-O$ layers are embedded is proposed. It is a variant of the correlated charge (pair) transfer mechanism proposed by Sinha and Singh recently. It is argued that this process may take precedence over the correlated charge transfer (pair) mechanism if the energies of the states of the complex $O^{2-}-Cu^{3+}-O^{2-}$ and $O^{1-}-Cu^{+1}-O^{-1}$ are nearly degenerate.

Item Type:	Journal Article
Publication:	Solid State Communications
Publisher:	Elsevier
Additional Information:	Copyright of this article belongs to Elsevier
Department/Centre:	Division of Physical & Mathematical Sciences > Centre for Theoretical Studies (Ceased to exist at the end of 2003)
Date Deposited:	08 Mar 2008
Last Modified:	19 Sep 2010 04:43
URI:	http://eprints.iisc.ac.in/id/eprint/13354

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