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Vortex glass transition in a random pinning model
KTH, Superseded Departments, Physics.ORCID iD: 0000-0003-1164-0831
2002 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 88, no 11Article in journal (Refereed) Published
Abstract [en]

We study the vortex glass transition in disordered high temperature superconductors using Monte Carlo simulations. We use a random pinning model with strong point-correlated quenched disorder, a net applied magnetic field, long-range vortex interactions, and periodic boundary conditions. From a finite size scaling study of the helicity modulus, the rms current, and the resistivity, we obtain critical exponents at the phase transition. The new exponents differ substantially from those of the gauge glass model, but are close to those of the pure three-dimensional XY model.

Place, publisher, year, edition, pages
2002. Vol. 88, no 11
Keyword [en]
3-dimensional gauge-glass, phase-transition, flux lattices, superconductor, disorder, systems
URN: urn:nbn:se:kth:diva-21399DOI: 10.1103/PhysRevLett.88.117004ISI: 000174541700036OAI: diva2:340097
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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