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Physica B Condensed Matter

Superconductivity and dynamical short-range order in high-Tc systems

Jörg Schmalian, Slawomir Janusz Grabowski, Karl H. Bennemann

Published Feb 1, 1997• 0 citations
Publisher
DOI
10.1016/s0921-4526(96)00683-7

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A many-body wavefuction is postulated, which is sufficiently general to describe superconducting pair-correlations, and/or spin-correlations, which can occur either as long-range order or as finite-range correlations. The proposed wave-function appears to summarize some of the more relevant aspects of the rich phase-diagram of the high-Tc cuprates. Some of the states represented by this wavefunction are reviewed: For superconductivity in the background of robust anti-ferromagnetism, the Cooper-pairs are shown to be a superposition of spinquantum numbers S=0 and S=1. If the anti-ferromagnetism is weak, a continuous super-symmetric rotation is identified connecting s-wave superconductivity to anti-ferromagnetism.