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HK: Fachverband Physik der Hadronen und Kerne

HK 68: Heavy-Ion Collisions and QCD Phases XV

HK 68.1: Group Report

Thursday, March 14, 2024, 15:45–16:15, HBR 62: EG 03

QCD Phase Diagram from Strong Coupling Lattice QCD — •Wolfgag Unger¹, Pratitee Pattanaik¹, and Jangho Kim² — ¹Fakultät für Physik, Universität Bielefeld — ²Institute for Advanced Simulation (IAS-4), Forschungszentrum Jülich

We review recent results based on the strong coupling expansion for lattice QCD with staggered fermions at finite temperature and density. The representation of the lattice partition function is in terms of so-called dual variables that allow to circumvent the finite density sign problem. It can be efficiently sampled via Monte Carlo, and is also suitable for Quantum Computing.

We summarize results of the phase diagram at finite baryon density and also address the extension of the strong coupling phase diagram to finite isopin density.

Keywords: Lattice QCD; Finite Density QCD; Strong Coupling Expansoin; Quantum Computing