Generalized Anisotropic Scaling Theory and the Transverse Meissner Transition
Anders Vestergren, Jack Lidmar, Mats Wallin
DOI 10.1103/PhysRevLett.94.087002 · Physical Review Letters
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Abstract
We consider a depinning transition in vortex systems with columnar disorder and tilted applied magnetic fields. From scaling arguments and Monte Carlo simulations, we find that this transverse Meissner transition is governed by a fixed point which is anisotropic in all three directions. This generalization of conventional anisotropic scaling means that the correlation length in different directions diverges with different rates, and we derive exact results for the anisotropy exponents. We make predictions which can be tested in experiments on superconductors with columnar disorder.
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