Critical Behavior of the Meissner Transition in the Lattice London Superconductor
Peter Olsson, S. Teitel
DOI 10.1103/PhysRevLett.80.1964 · Physical Review Letters
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Abstract
We carry out Monte Carlo simulations of the three dimensional (3D) lattice London superconductor in zero applied magnetic field, making a detailed finite size scaling analysis of the Meissner transition. We find that the magnetic penetration length λ and the correlation length ξ scale as λ∼ξ∼|t|−ν, with ν=0.66±0.03, consistent with ordinary 3D XY universality, νXY≈2/3. Our results confirm the anomalous scaling dimension of magnetic field correlations at Tc.
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