Thermostatting the atomic spin dynamics from controlled demons

Pascal Thibaudeau and David Beaujouan

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 5, 1963-1971

Abstract: Deterministic dynamics in extended phase space of a constant temperature interacting spin system is formulated. The spin temperature is recovered through the constrained equation of motion and is in agreement with Rugh’s geometrical approach to temperature for classical Heisenberg spin systems. Detailed comparisons are investigated between state-of-the-art stochastic spin dynamics and deterministic dynamics using a chain of thermostats, for which an accelerated convergence structure is found.

Keywords: Deterministic spin dynamics; Ergodic behavior; Thermostat (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:5:p:1963-1971

DOI: 10.1016/j.physa.2011.11.030

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