Volume 84, Number 6, December 2008
|Number of page(s)||5|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||17 December 2008|
Dynamics of glass phases in the three-dimensional gauge glass model
Center for Statistical and Theoretical Condensed Matter Physics, Zhejiang Normal University, Jinhua 321004, PRC
2 Department of Physics, Zhejiang University - Hangzhou 310027, PRC
Corresponding author: email@example.com
Accepted: 5 November 2008
Large-scale simulations have been performed in the current-driven three-dimensional XY gauge glass model with resistively-shunted-junction dynamics. It is observed that the linear resistivity at low temperatures tends to zero, providing a strong evidence of a finite-temperature glass transition. Dynamical-scaling analysis demonstrates that a perfect collapse of current-voltage data can be achieved. The obtained critical exponents agree quite well with those in equilibrium Monte Carlo simulations. A genuine continuous depinning transition is found at zero temperature. For low-temperature creep motion, critical exponents are evaluated, and a non-Arrhenius creep motion is observed in the glass phase.
PACS: 47.32.C- – Vortex dynamics / 64.70.Q- – Theory and modeling of the glass transition / 68.35.Rh – Phase transitions and critical phenomena
© EPLA, 2008
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