Driven Diffusion in the Two-Dimensional Lattice Coulomb Gas; A Model for Flux Flow in Superconducting Networks

Details Driven Diffusion in the Two-Dimensional Lattice Coulomb Gas; A Model for Flux Flow in Superconducting Networks Driven Diffusion in the Two-Dimensional Lattice Coulomb Gas; A Model for Flux Flow in Superconducting Networks

1993-12-06

arxiv.org/abs/cond-mat/9312027v1

Phys. Rev. B 50, 3149 (1994)

Physics

Condensed Matter

25 pages, 7 figures (available from stte@pas.rochester.edu), RevTex3.0, URST121

Scientific paper

10.1103/PhysRevB.50.3149

We carry out driven diffusion Monte Carlo simulations of the two dimensional classical lattice Coulomb gas in an applied uniform electric field, as a model for vortex motion due to an applied d.c. current, in a periodic superconducting network. A finite-size version of dynamic scaling is used to extract the dynamic critical exponent z, and infer the non-linear response at the transition temperature. We consider the f=0 and f=1/2 cases, corresponding to no applied magnetic field, and to one half flux quantum per unit cell of the network respectively.

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