Thermal and transport properties in central heavy-ion reactions around a few hundred MeV/nucleon

Abstract

Thermalization process of nuclear matter in central fireball region of heavy-ion collisions is investigated by employing an extension model of Boltzmann-Uehling-Uhlenbeck, namely the Van der Waals Boltzmann-Uehling-Uhlenbeck (VdWBUU) model. Temperature ($T$) is extracted by the quantum Fermion fluctuation approach and other thermodynamic quantities, such as density ($\rho$), entropy density ($s$), shear viscosity ($\eta$), isospin diffusivity ($D_I$) and heat conductivity ($\kappa$), are also deduced. The liquid-like and gas-like phase signs are discussed through the behavior of shear viscosity during heavy-ion collisions process with the VdWBUU model.

9 pages, 12 figures; accepted by Phys. Rev. C

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