Electric Conductivity of a hot hadron gas from a kinetic approach

Abstract

We calculate the electric conductivity of a gas of relativistic particles with isotropic cross sections using the Boltzmann equation as the starting point. Our analyses is restricted to elastic collisions. We show the perfect agreement with previously published numerical results for a massless quark- gluon plasma, and give results for the electric conductivity of an interacting hadron gas, employing realistic resonance cross sections. These results for the electric conductivity of a hot hadron gas, as created in (ultra-)relativistic heavy-ion collisions, are of rich phenomenological as well as theoretical interest and can be compared to, e.g., lattice quantum field theory calculations.

14 pages, 5 figures

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• Diffusion coefficient matrix of the strongly interacting quark-gluon plasma
• Electric conductivity in finite-density SU(2) lattice gauge theory with dynamical fermions
• Determining the Diffusivity for Light Quarks from Experiment
• Electrical conductivity and relaxation via colored noise in a hadronic gas
• Cross-conductivity: novel transport coefficients to constrain the hadronic degrees of freedom of nuclear matter
• Electrical conductivity of Hot and Dense QCD matter at RHIC BES energies: A Color String Percolation Approach
• Medium effects on the electrical and Hall conductivities of a hot and magnetized pion gas
• Diffusion matrix associated with the diffusion processes of multiple conserved charges in a hot and dense hadronic matter
• In-medium effect on the thermodynamics and transport coefficients in van der Waals hadron resonance gas
• Can charm fluctuation be a better probe to study QCD critical point?
• Electrical conductivity of hot Abelian plasma with scalar charge carriers