On quasi twodimensional XY magnetism and superconductivity of the second kind
- 1 January 1988
- journal article
- Published by EDP Sciences in Journal de Physique
- Vol. 49 (9) , 1561-1568
- https://doi.org/10.1051/jphys:019880049090156100
Abstract
The role of interplanar fluctuations associated with « parallel » vortex loops is considered in the two coupled problems of XY magnetism and superconductivity of the second kind, in a quasitwodimensional situation. Using an admittedly simplified criterion, it is argued that, for weak interplanar couplings, the critical 3d temperature is related to the multiplication of such loops ; it should be below the Kosterlitz and Thouless temperature where « normal » vortex loops, piercing the planes, would multiply in independent planesKeywords
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