Abstract:
We use the entropy production variational method to associate a one-particle distribution function to the assumed known energy-momentum and entropy currents describing a relativistic conformal fluid. Assuming a simple form for the collision operator we find this one-particle distribution function explicitly, and show that this method of linking the hydro and kinetic descriptions is a nontrivial generalization of Grad's ansatz. The resulting constitutive relations are the same as in the conformal dissipative type theories discussed by J. Peralta-Ramos and E. Calzetta. Our results may prove useful in the description of freeze-out in ultrarelativistic heavy-ion collisions. © 2010 The American Society.
Registro:
Documento: |
Artículo
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Título: | Linking the hydrodynamic and kinetic description of a dissipative relativistic conformal theory |
Autor: | Calzetta, E.; Peralta-Ramos, J. |
Filiación: | CONICET and Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires-Ciudad Universitaria, Pabellón I, 1428 Buenos Aires, Argentina Instituto de Física Teórica, Universidade Estadual Paulista, Rua Doutor Bento Teobaldo Ferraz 271 - Bloco II, 01140-070 São Paulo, Brazil
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Año: | 2010
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Volumen: | 82
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Número: | 10
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DOI: |
http://dx.doi.org/10.1103/PhysRevD.82.106003 |
Título revista: | Physical Review D - Particles, Fields, Gravitation and Cosmology
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Título revista abreviado: | Phys Rev D Part Fields Gravit Cosmol
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ISSN: | 15507998
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CODEN: | PRVDA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v82_n10_p_Calzetta |
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Citas:
---------- APA ----------
Calzetta, E. & Peralta-Ramos, J.
(2010)
. Linking the hydrodynamic and kinetic description of a dissipative relativistic conformal theory. Physical Review D - Particles, Fields, Gravitation and Cosmology, 82(10).
http://dx.doi.org/10.1103/PhysRevD.82.106003---------- CHICAGO ----------
Calzetta, E., Peralta-Ramos, J.
"Linking the hydrodynamic and kinetic description of a dissipative relativistic conformal theory"
. Physical Review D - Particles, Fields, Gravitation and Cosmology 82, no. 10
(2010).
http://dx.doi.org/10.1103/PhysRevD.82.106003---------- MLA ----------
Calzetta, E., Peralta-Ramos, J.
"Linking the hydrodynamic and kinetic description of a dissipative relativistic conformal theory"
. Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 82, no. 10, 2010.
http://dx.doi.org/10.1103/PhysRevD.82.106003---------- VANCOUVER ----------
Calzetta, E., Peralta-Ramos, J. Linking the hydrodynamic and kinetic description of a dissipative relativistic conformal theory. Phys Rev D Part Fields Gravit Cosmol. 2010;82(10).
http://dx.doi.org/10.1103/PhysRevD.82.106003