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Covariant Relativistic Non-Equilibrium Thermodynamics of Multi-Component Systems

Wolfgang Muschik, Technische Universität Berlin, Technische Universität Berlin
2020
Non-equilibrium and equilibrium thermodynamics of an interacting component in a relativistic multi-component system is discussed covariantly by exploiting an entropy identity. The special case of the corresponding free component is considered. Equilibrium conditions and especially the multi-component Killing relation of the 4-temperature are discussed. Two axioms characterize the mixture: additivity of the energy momentum tensors and additivity of the 4-entropies of the components generating
more » ... nents generating those of the mixture. The resulting quantities of a single component and of the mixture as a whole, energy, energy flux, momentum flux, stress tensor, entropy, entropy flux, supply and production are derived. Finally, a general relativistic 2-component mixture is discussed with respect to their gravitation generating energy–momentum tensors.
doi:10.14279/depositonce-9498 fatcat:jacbhzcnkfcidfziql5mwou3wm