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HK: Fachverband Physik der Hadronen und Kerne
HK 68: Heavy-Ion Collisions and QCD Phases XV
HK 68.3: Vortrag
Donnerstag, 14. März 2024, 16:30–16:45, HBR 62: EG 03
Quark diffusion coefficients in the phase structure of QCD — •Jonas Wessely1, Jan M Pawlowski1,2, and Nicolas Wink3 — 1Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 16, 69120 Heidelberg, Germany — 2ExtreMe Matter Institute EMMI, GSI, Planckstr. 1, 64291 Darmstadt, Germany — 3Institut für Kernphysik, Technisch Universität Darmstadt, Schloessgartenstraße 2, 64289 Darmstadt, Germany
I present result on the quark diffusion coefficient for different (light) flavours at finite temperature and density. The diffusion coefficients are obtained via the Kubo relation from non-perturbative realtime diagrams which depend on single particle spectral functions of quarks and gluons. The latter are computed with a combination of spectral reconstructions and recently developed spectral functional techniques for the quark propagator spectral functions at finite T and µB.
Keywords: Transport coefficients; spectral functions; finite Temperature and density; functional methods; Quark propagator