Recent Progress on the QCD Phase Diagram

Abstract

Recent progress and the latest results on the bulk thermodynamic properties of QCD matter from lattice are reviewed. In particular, I will stress upon the fact that lattice techniques are now entering into precision era where they can provide us with new insights on even the microscopic degrees of freedom in different phases of QCD. I will discuss some instances, from the recent studies of topological fluctuations and screening masses. The progress towards understanding the effects of anomalous $U_A(1)$ symmetry on the chiral crossover transition and transport properties of QCD matter will also be discussed.

16 pages, 16 figures. Proceedings of the 36th Annual International Symposium on Lattice Field Theory - LATTICE2018, Michigan State University, v2: Minor additions, typos corrected

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• The QCD crossover at zero and non-zero baryon densities from Lattice QCD
• High-Temperature QCD: theory overview
• The topological objects near the chiral crossover transition in QCD
• First calculation of $\hat{q}$ on a quenched SU(3) plasma
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• Continuum limit and universality of the Columbia plot
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• Taylor expansion and the Cauchy Residue Theorem for finite-density QCD
• The fate of $U_A(1)$ and topological features of QCD at finite temperature