Stochastic Vortex Dynamics in Two-Dimensional Easy Plane Ferromagnets Multiplicative Versus Additive Noise.

Stochastic Vortex Dynamics in Two-Dimensional Easy Plane Ferromagnets [electronic resource] : Multiplicative Versus Additive Noise.

We study how thermal fluctuations affect the dynamics of vortices in the two-dimensional anisotropic Heisenberg model depending on their additive or multiplicative character. Using a collective coordinate theory, we analytically show that multiplicative noise, arising from fluctuations in the local...

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Bibliographic Details
Online Access: Online Access
Corporate Author: Los Alamos National Laboratory (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Washington, D.C : Oak Ridge, Tenn. : United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1998.
Subjects:
Fluctuations.
Magnets.
Ferromagnetism.
Vortices.
Thermodynamics.
Heisenberg Model.
Condensed Matter Physics, Superconductivity And Superfluidity.

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Call Number: E 1.99:la-ur-98-4144
E 1.99:la-ur-98-4144 Available

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