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1994 | 85 | 1 | 117-131
Article title

Pseudospin Models of Superconductors with Very Short Coherence Length

Content
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Languages of publication
EN
Abstracts
EN
We discuss a few models developed for description of superconductivity with very short coherence length and point out their formal equivalence to specific spin models, such as an anisotropic Heisenberg model (s = 1/2) with two- and four-spin exchange coupling and with fixed magnetization in the z-direction, an XY-Z model with single ion anisotropy and a Kondo-lattice model with anisotropic on-site exchange. New results concerning the phase diagram of the Hubbard model with strong attraction, the electromagnetic properties of systems with the first order superconducting transition and a possibility of local charge moment compensation in systems of coexisting bound pairs and itinerant electrons are presented.
Keywords
EN
Year
Volume
85
Issue
1
Pages
117-131
Physical description
Dates
published
1994-01
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv85z108kz
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