Abstract
The theory of superconductivity in metallic superstructures with anisotropic electron spectrum is presented. It is shown that these structures, three-dimensional in the normal state, become layered or fibrous in the superconducting state. The upper critical magnetic field changes the temperature dependence in the vicinity of the critical temperature from one (two)-dimensional to three-dimensional.
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Shapiro, B.Y., Yefimova, L.V. The upper critical field and dimensional crossover in superconductors with anisotropic electron spectrum. J Low Temp Phys 69, 167–187 (1987). https://doi.org/10.1007/BF00682655
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DOI: https://doi.org/10.1007/BF00682655