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Equation of State and Transport Coefficients of Relativistic Nuclear Matter Azwinndini Muronga 1,2 1 Centre for Theoretical Physics & Astrophysics Department.

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Presentation on theme: "Equation of State and Transport Coefficients of Relativistic Nuclear Matter Azwinndini Muronga 1,2 1 Centre for Theoretical Physics & Astrophysics Department."— Presentation transcript:

1 Equation of State and Transport Coefficients of Relativistic Nuclear Matter Azwinndini Muronga 1,2 1 Centre for Theoretical Physics & Astrophysics Department of Physics, University of Cape Town 2 UCT-CERN Research Centre Department of Physics, University of Cape Town SQM2007 24-29 June 2007, Levoča, Slovakia

2 Transport properties of relativistic nuclear matter Viscosities, diffusivities, conductivities. Determine relaxation to equilibrium in heavy ion collisions – strangeness equilibration (by flavor diffusion), spin and color diffusion In astrophysical situations such as in neutron stars – cooling and burning of neutron star into a strange quark star In cosmological applications such as the early universe – electroweak baryogenesis QED and QCD plasmas Baym et. al., Gavin, Prakash et. al., Davesne, Heiselberg, Muroya et. al., Muronga, Arnold et. al.,….

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4 Origin of the news:

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6 14-field theory of relativistic dissipative fluid dynamics Primary variables Conservation of net charge, energy-momentum and balance of fluxes See A. Muronga, nuc-th/0611090 for details

7 Relaxation equations for dissipative fluxes Relaxation equations for the dissipative fluxes Transport and relaxation times/lengths

8 Transport Coefficients and Relaxation Times/Lengths Relativistic transport equation Phase-space integrals See A. Muronga, nuc-th/0611091 for details

9 Transport Coefficients and Relaxation Times/Lengths For any scalar function of distribution function and any tensor function of momenta After linearization within relativistic Grad moment method

10 Relaxation Coefficients

11 Transport coefficients are as important as the equation of state. They should be calculated self consistently together with the equation of state. The relaxation times/lengths should be compared with the characteristic time/length scales of the system under consideration. Strangeness equilibration could be easily understood via strangeness (flavor) diffusion coefficient. Looking forward to talks by W. Broniowski and by L. Turko at this meeting. Looking beyond an idealistic picture


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