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22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

Axial U(1) symmetry and Dirac spectra in high-temperature phase of $N_f=2$ lattice QCD

Jul 24, 2018, 2:00 PM
Centennial (Kellogg Hotel and Conference Center)


Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Nonzero Temperature and Density Nonzero Temperature and Density


Dr Kei Suzuki (KEK)


We investigate the axial $U(1)$ symmetry in the phase above the critical temperature in $N_f=2$ lattice QCD, where the ensembles are generated with Mobius domain-wall fermions, and the overlap/domain-wall reweighting is applied. We show the $U(1)_A$ susceptibility extracted from the spectra of the overlap Dirac eigenmodes and discuss its temperature, quark-mass, and spatial volume dependence. The behavior of $U(1)_A$ susceptibility is compared with that of topological susceptibility and their relation is discussed.

Primary author

Dr Kei Suzuki (KEK)


Dr Guido Cossu (The University of Edinburgh) Prof. Hidenori Fukaya (Osaka University) Dr Shoji Hashimoto (KEK) Prof. Sinya Aoki (YITP) Yasumichi Aoki (KEK)

Presentation Materials