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Monte Carlo search for the flux-lattice-melting transition in two-dimensional superconductors

J. A. O’Neill, M. A. Moore

DOI 10.1103/PhysRevLett.69.2582 · Physical Review Letters

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Abstract

A Monte Carlo simulation of the vortices in a two-dimensional type-II superconductor shows that the correlation length, which measures the range over which triangular lattice ordering of the vortices exists, diverges to infinity in the zero-temperature limit, just as predicted by a scaling argument based on phase fluctuations. No evidence is found for the formation of a vortex lattice phase at a finite temperature.

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