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4 papers · 1 filter
Dimension reduction for systems with slow relaxation
Shankar C. Venkataramani, Raman C. Venkataramani, Juan M. Restrepo
We develop reduced, stochastic models for high dimensional, dissipative dynamical systems that relax very slowly to equilibrium and can encode long term memory. We present a variet…
Impact of Anisotropic Exchange on M-H Loops: Application to ECC Media
M. L. Plumer, M. C. Rogers, E. Meloche
Micromagnetic simulation results on Co-based recording media are presented which examine the impact of a modified near-neighbor exchange interaction between grains of the form Jz(M…
Continuous Neel to Bloch Transition as Thickness Increases: Statics and Dynamics
Kirill Rivkin, Konstantin Romanov, Yury Adamov +3
We analyze the properties of Neel and Bloch domain walls as a function of film thickness h, for systems where, in addition to exchange, the dipole-dipole interaction must be includ…
Brownian dynamics approach to interacting magnetic moments
O. Chubykalo, R. Smirnov-Rueda, M. A. Wongsam +3
The question how to introduce thermal fluctuations in the equation of motion of a magnetic system is addressed. Using the approach of the fluctuation-dissipation theorem we calcula…