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Entropy Production and Equilibrium Conditions of General-Covariant Spin Systems

Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstraße 36, Berlin 10623, Germany
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Academic Editor: Kevin H. Knuth
Entropy 2015, 17(12), 8325-8340; https://doi.org/10.3390/e17127884
Received: 2 September 2015 / Revised: 7 December 2015 / Accepted: 15 December 2015 / Published: 21 December 2015
(This article belongs to the Section Thermodynamics)
In generalizing the special-relativistic one-component version of Eckart’s continuum thermodynamics to general-relativistic space-times with Riemannian or post-Riemannian geometry as presented by Schouten (Schouten, J.A. Ricci-Calculus, 1954) and Blagojevic (Blagojevic, M. Gauge Theories of Gravitation, 2013) we consider the entropy production and other thermodynamical quantities, such as the entropy flux and the Gibbs fundamental equation. We discuss equilibrium conditions in gravitational theories, which are based on such geometries. In particular, thermodynamic implications of the non-symmetry of the energy-momentum tensor and the related spin balance equations are investigated, also for the special case of general relativity. View Full-Text
Keywords: spin systems; general-covariant entropy production; general-covariant equilibrium conditions spin systems; general-covariant entropy production; general-covariant equilibrium conditions
MDPI and ACS Style

Muschik, W.; Von Borzeszkowski, H.-H. Entropy Production and Equilibrium Conditions of General-Covariant Spin Systems. Entropy 2015, 17, 8325-8340.

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