Dissipative hydrodynamics for multi-component systems

Second-order dissipative hydrodynamic equations for each component of a multi-component system are derived using the entropy principle. Comparison of the solutions with kinetic transport results demonstrates validity of 
Second-order dissipative hydrodynamic equations for each component of a multi-component system are derived using the entropy principle. Comparison of the solutions with kinetic transport results demonstrates validity of the obtained equations. We demonstrate how the shear viscosity of the total system can be calculated in terms of the involved cross-sections and partial densities. The presence of the inter-species interactions leads to a characteristic time dependence of the shear viscosity of the mixture, which also means that the shear viscosity of a mixture cannot be calculated using the Green-Kubo formalism the way it has been done recently. This finding is of interest for understanding of the shear viscosity of a quark-gluon plasma extracted from comparisons of hydrodynamic simulations with experimental results from RHIC and LHC.
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Metadaten
Author:Andrej El, Ioannis Bouras, Christian Wesp, Zhe Xu, Carsten Greiner
URN:urn:nbn:de:hebis:30:3-273121
DOI:http://dx.doi.org/10.1140/epja/i2012-12166-6
ISSN:1434-601X
ISSN:1434-6001
Parent Title (English):The European physical journal A, Hadrons and nuclei
Publisher:Springer
Place of publication:Berlin ; Heidelberg
Document Type:Article
Language:English
Date of Publication (online):2012/12/27
Date of first Publication:2012/12/27
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2012/12/13
Volume:48
Issue:166
Pagenumber:6
First Page:1
Last Page:6
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 3.0

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