Phys. Rev. B 49, 15381–15384 (1994)Correlation function of finite two-dimensional superconductorsReceived 1 February 1994; published in the issue dated 1 June 1994 The superconducting correlation function of finite two-dimensional systems is calculated within the framework of the Ginzburg-Landau theory in the Gaussian approximation. A crossover is found from zero-dimensional behavior at low temperatures to two-dimensional behavior at higher temperatures. The relation between this approach and the Kosterlitz-Thouless theory is briefly discussed. © 1994 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.49.15381
DOI:
10.1103/PhysRevB.49.15381
PACS:
74.76.Bz, 74.20.De, 74.40.+k
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