NOVEL RELAXATION TIME APPROXIMATION: A CONSISTENT CALCULATION OF TRANSPORT COEFFICIENTS WITH QCD-INSPIRED RELAXATION TIMES

Author(s)

Rocha, Gabriel S. ; Denicol, Gabriel S. ; Ferreira, Mauricio N. ; Noronha, Jorge

• Document type: Journal article
• Source: ACTA PHYSICA POLONICA B PROCEEDINGS SUPPLEMENT; v. 16, n. 1, p. 6-pg., 2023-01-01.

Abstract

We use a novel formulation of the relaxation time approximation to consistently calculate the bulk and shear viscosity coefficients using QCD-inspired energy-dependent relaxation times and phenomenological thermal masses obtained from fits to lattice QCD thermodynamics. The matching conditions are conveniently chosen to simplify the computations. (AU)

• FAPESP's process: 20/12795-1 - Evolution of the energy-momentum tensor during the pre-equilibrium phase of a heavy-ion collision
• Grantee: Antonio Maurício Soares Narciso Ferreira
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• FAPESP's process: 17/05685-2 - Hadronic physics in high energy nuclear collisions
• Grantee: Jun Takahashi
• Support Opportunities: Special Projects