Depinning Transition of a Two Dimensional Vortex Lattice in a Commensurate Periodic Potential
Violeta Gotcheva, S. Teitel
Abstract
We use Monte Carlo simulations of the 2D one component Coulomb gas on a triangular lattice, to study the depinning transition of a 2D vortex lattice in a commensurate periodic potential. A detailed finite size scaling analysis indicates this transition to be first order. No significant changes in behavior were found as vortex density was varied over a wide range.
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