Vortex Entanglement in High-Tc Superconductors
David R. Nelson
DOI 10.1103/PhysRevLett.60.1973 · Physical Review Letters
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Abstract
New kinds of intermediate flux states should be accessible in high-Tc superconductors, in fields slightly above Hc1. Flux-line wandering leads to an entangled vortex state whose statistical mechanics is isomorphic to an interacting 2D Bose superfluid with cooperative ring exchanges. In sufficiently thin samples, this "braided flux" phase transforms into a liquid of disentangled rods.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 77 | Pressure not reported | unknown |
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