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Hydrodynamics with spin angular momentum from systematic coarse graining: a tutorial example

Ilg, P. (2016) Hydrodynamics with spin angular momentum from systematic coarse graining: a tutorial example. Journal of Non-Equilibrium Thermodynamics, 41 (2). pp. 89-97. ISSN 1437-4358

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To link to this item DOI: 10.1515/jnet-2015-0067

Abstract/Summary

The derivation of time evolution equations for slow collective variables starting from a micro- scopic model system is demonstrated for the tutorial example of the classical, two-dimensional XY model. Projection operator techniques are used within a nonequilibrium thermodynamics framework together with molecular simulations in order to establish the building blocks of the hydrodynamics equations: Poisson brackets that determine the deterministic drift, the driving forces from the macroscopic free energy and the friction matrix. The approach is rather general and can be applied for deriving the equations of slow variables for a broad variety of systems.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
ID Code:57785
Publisher:De Gruyter

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