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quant-ph2001
Quantum oscillations without quantum coherence
V. V. Dobrovitski, H. A. De Raedt, M. I. Katsnelson +1
We study numerically the damping of quantum oscillations and the increase of entropy with time in model spin systems decohered by a spin bath. In some experimentally relevant cases…
cond-mat.mtrl-sci2001
Length scales coupling for nonlinear dynamical problems in magnetism
V. V. Dobrovitski, M. I. Katsnelson, B. N. Harmon
The dynamics of real magnets is often governed by several interacting processes taking place simultaneously at different length scales. For dynamical simulations the relevant lengt…