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Theory of equilibrium flux lattices in unconventional superconductors

M. Franz, Ian Affleck, M. H. S. Amin

cond-mat.supr-conarXiv:cond-mat/9704165

Abstract

We investigate equilibrium flux lattice structures in superconductors with unconventional order parameters, such as high-Tc cuprates, using a generalized London model with non-local electrodynamics derived from a simple microscopic model. We find a rich phase diagram containing triangular, centered rectangular and square lattices with various orientations to the ionic lattice, as a function of magnetic field and temperature.

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