Critical temperature of low-dimensional high-T c superconductors |
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Authors: | M. Crişan D. Vâcaru |
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Affiliation: | (1) Institute of Physics and Technology of Materials, Bucharest, Romania;(2) Department of Physics, University of Cluj, 3400 Cluj, Romania |
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Abstract: | We generalized the Coherent Potential Approximation (CPA) method for the calculation of the critical temperature of superconductors of lower dimensionality. Two dimensional (2d) and one-dimensional (1d) models have been considered. The critical temperature is calculated as function of the electronic concentration and of the position of the Fermi level. The critical temperature can be expressed with either of these two parameters. We also calculate the dependence ofTc on an additional parameter which is the measure of the interplane coupling. |
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