Disorder Driven Melting of the Vortex Line Lattice

P. Olsson and S. Teitel
Phys. Rev. Lett. 87, 137001 – Published 5 September 2001
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Abstract

The 3D XY model with random in-plane couplings is simulated to model the phase diagram of a disordered type II superconductor as a function of temperature T and randomness strength p for fixed applied magnetic field. As p increases to a critical pc, the first order vortex lattice melting line turns parallel to the T axis, continuing down to low temperatures, rather than ending at a critical point. Above pc preliminary results suggest the absence of a phase coherent vortex glass.

  • Received 11 December 2000

DOI:https://doi.org/10.1103/PhysRevLett.87.137001

©2001 American Physical Society

Authors & Affiliations

P. Olsson1 and S. Teitel2

  • 1Department of Theoretical Physics, Umeå University, 901 87 Umeå, Sweden
  • 2Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627

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Vol. 87, Iss. 13 — 24 September 2001

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