Vortex Glass Phase and Universal Susceptibility Variations

in Planar Arrays of Flux Lines


Terence Hwa and Diniel S. Fisher



Abstract

        Some of the thermodynamic properties of the low temperature vortex-glass phase of randomly-pinned flux lines in 1+1 dimensions are studied. The flux arrays are found to be sensitive to small changes in external parameters such as the magnetic field or temperature. These effects are captured by the variations in the magnetic response and noise, which have universal statistics and should provide an unambiguous signature of the glass phase.


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