Vortex unbinding and layer decoupling in a quasi-two-dimensional superconductor
Mark Friesen
DOI 10.1103/PhysRevB.51.632 · Physical Review B
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Abstract
The role of thermal vortices in the absence of applied magnetic fields is studied theoretically for anisotropic layered superconductors such as the high-Tc cuprates. Using a quasi-two-dimensional model and a real-space renormalization-group approach, the vortices are found to Josephson-decouple the superconducting layers slightly above Tc. The results are consistent with recent experiments and Monte Carlo simulations.
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