Glassiness Vs. Order in Densely Frustrated Josephson Arrays

Details Glassiness Vs. Order in Densely Frustrated Josephson Arrays Glassiness Vs. Order in Densely Frustrated Josephson Arrays

1997-09-25

arxiv.org/abs/cond-mat/9709286v1

Phys. Rev. Lett. 80, 105 (1997)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 4 eps figures

Scientific paper

10.1103/PhysRevLett.80.105

We carry out extensive Monte Carlo simulations on the Coulomb gas dual to the uniformly frustrated two dimensional XY model, for a sequence of frustrations f converging to the irraltional (3-sqrt 5)/2. We find in these systems a sharp first order equilibrium phase transition to an ordered vortex structure at a T_c which varies only slightly with f. This ordered vortex structure remains in general phase incoherent until a lower pinning transition T_p(f) that varies with f. We argue that the glassy behaviors reported for this model in earlier simulations are dynamic effects.

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