A lattice field theoretical model for high-T_(c) superconductivity



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Alonso, J.L. and Boucaud, Ph. and Martín Mayor, Víctor and van der Sijs, A.J. (1998) A lattice field theoretical model for high-T_(c) superconductivity. Nuclear Physics B-Proceedings Supplements, 63 . pp. 658-660. ISSN 0920-5632

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Official URL: http://dx.doi.org/10.1016/S0920-5632(97)00863-3


We present a 2+1-dimensional lattice model for the copper oxide superconductors and their parent compounds, in which both the charge and spin degrees of freedom are treated dynamically. The spin-charge coupling parameter is associated to the doping fraction in the cuprates. The model is able to account for the various phases of the cuprates and their properties, not only at low and intermediate doping but also for (highly) over-doped compounds. We acquire a qualitative understanding of highTc superconductivity as a Bose-Einstein condensation of boun d charge pairs.

Item Type:Article
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© 1998 Elsevier Science B.V. International Symposium on Lattice Field Theory (Lattice 97) (15th. 1997. Edinburgh, Scotland). Financially supported by DGICICYT AEN 96-1670,74 and by Acción Integrada Hispano-Francesa HF1996-0022.

Uncontrolled Keywords:Physics; Particles and fields.
Subjects:Sciences > Physics > Physics-Mathematical models
ID Code:47071
Deposited On:19 Apr 2018 08:27
Last Modified:19 Apr 2018 08:27

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