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I-V Characteristics of High Temperature Superconductors with Columnar Defects | | M. Wallin
; S. M. Girvin
; | | Date: |
24 Nov 1992 | | Subject: | cond-mat | | Abstract: | The vortex glass transition in the presence of columnar defects is studied by Monte Carlo simulations of a vortex loop model, suggested by the analogy to the $T=0$ superconductor-insulator transition for dirty bosons in (2+1)D. From finite-size scaling analysis of the $I$-$V$ characteristic we find two dynamical exponents describing the non-equilibrium behavior. We obtain $z_{perp} = 6 pm 0.5$ and $z_{parallel} = 4 pm 0.5$ when the current is applied perpendicular and parallel to the columnar defects respectively. | | Source: | arXiv, cond-mat/9211018 | | Services: | Forum | Review | PDF | Favorites | |
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