Glassiness Vs. Order in Densely Frustrated Josephson Arrays
arXiv:cond-mat/9709286 · doi:10.1103/PhysRevLett.80.105
Abstract
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.
arXiv comment4 pages, 4 eps figures
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