Mainz 2022 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 13: Heavy-Ion Collisions and QCD Phases IV

HK 13.4: Vortrag

Montag, 28. März 2022, 16:45–17:00, HK-H2

Dynamic critical behavior of spectral functions via classical statistical real-time simulations — •Frederic Klette and Sören Schlichting — Bielefeld University, Bielefeld, Germany

Finding the position of the critical point in the QCD phase diagram and determining the behavior in its vicinity has been the subject of active research for several decades. Spectral functions of a system and other real-time observables, can not be reconstructed with an acceptable accuracy from Euclidean time data. Due to QCD being difficult to simulate directly in real time we use universality to investigate the physics near the QCD critical point. Using the fact that models with an O(n) symmetry are in the same, or at least a similar universality class as the chiral model, we study these via classical statistical simulations to learn about their dynamic critical behavior. More precisely, we aim to develop a detailed analysis of the dynamic critical scaling behavior of the spectral function and related observables of an O(4) symmetric model in (3+1) dimensions.