Dimensional crossover and driven interfaces in disordered ferromagnets

Details Dimensional crossover and driven interfaces in disordered ferromagnets Dimensional crossover and driven interfaces in disordered ferromagnets

2001-10-22

arxiv.org/abs/cond-mat/0110456v1

Phys. Rev. E 65, 027101 (2002)

Physics

Condensed Matter

Statistical Mechanics

accepted for publication in Phys. Rev. E; scheduled issue 01 Jan. 2002

Scientific paper

10.1103/PhysRevE.65.027101

We study the depinning transition of driven interfaces in thin ferromagnetic films driven by external magnetic fields. Approaching the transition point the correlation length increases with decreasing driving. If the correlation length becomes of the order of the film thickness a crossover to two dimensional behavior occurs. From the corresponding scaling analysis we determine the exponents characterizing the transition of the three dimensional system.

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