Remarks concerning bulk viscosity of hadron matter in relaxation time ansatz. Nuclear Physics A Volume 915, 3 October 2013, Pages 158-169

14 сентября 2018
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Контактные данные автора публикации Khvorostukhin, A.S.ab , Toneev, V.D.a, Voskresensky, D.N.c a Joint Institute for Nuclear Research, 141980 Dubna, Russian Federation b Institute of Applied Physics, Moldova Academy of Science, MD-2028 Kishineu, Moldova c National Research Nuclear
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Аннотация

The bulk viscosity is calculated for hadron matter produced in heavy-ion collisions, being described in the relaxation time approximation within the relativistic mean-field-based model with scaled hadron masses and couplings. We show how different approximations used in the literature affect the result. Numerical evaluations of the bulk viscosity with three considered models deviate not much from each other confirming earlier results.
Author keywords
Relativistic mean-field model; Relaxation time approximation; Strongly interacting matter; Viscosity
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