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Field distribution of a vortex in d-wave superconductors: Quasiclassical approach versus generalized London equation

R. Laiho, E. Lähderanta, M. Safonchik, K. B. Traito

DOI 10.1103/PhysRevB.71.024521 · Physical Review B

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Abstract

Quasiclassical Eilenberger equations are solved numerically for a case of an isolated two-dimensional vortex in a d-wave superconductor taking the screening into account self-consistently by introducing the vector potential in the equations. The field distribution is found in the whole coordinate range and compared with that obtained from the nonlocal (NGLE) and local generalized London equations with different cutoff functions. A good agreement can be obtained if the arguments of the cutoff functions are taken to be temperature dependent. It is also shown that the anisotropy of the field distribution can be qualitatively described by NGLE.

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FormulaReported Tc (K)Pressure (GPa)Type
YBa2Cu3O6.95

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—Pressure not reportedunknown

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