Vortex Glass Phase and Universal Susceptibility Variations in Planar Array of Flux Lines
Terence Hwa, Daniel S. Fisher (Harvard University)
TL;DR
This paper investigates the vortex-glass phase in a 1+1 dimensional flux line array, revealing universal susceptibility variations as signatures of the glass state influenced by external parameters.
Contribution
It demonstrates that magnetic response and noise variations serve as universal indicators of the vortex-glass phase in planar flux line arrays.
Findings
Magnetic response varies with small external changes.
Noise exhibits universal statistical properties.
Signature of glass phase identified through susceptibility variations.
Abstract
Some of the 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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