Abstract
Concepts from elementary quantum mechanics can be used to understand vortex line fluctuations in high-temperature superconductors. Flux lines are essentially classical objects, described by a string tension, their mutual repulsion, and interactions with pinning centers. The classical partition function, however, is isomorphic to the imaginary time path integral description of quantum mechanics. This observation is used to determine the thermal renormalization of critical currents, the decoupling field, the flux lattice melting temperature at low and moderate inductions, and to estimate the degree of entanglement in dense flux liquids. The consequences of the “polymer glass” freezing scenario, which assumes that the kinetic constraints of entanglement prevent field cooled flux liquids from crystallizing, are reviewed.KeywordsPartition FunctionVortex LineLocalization LengthFlux LineGround State Wave FunctionThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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