18-24 June 2017
Palacio de Congresos
Europe/Madrid timezone
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Contribution Parallel

Auditorio Manuel de Falla
Nonzero Temperature and Density

Topological Susceptibility in $N_f=2$ QCD at Finite Temperature

Speakers

  • Yasumichi AOKI

Primary authors

Co-authors

Content

We study the topological charge in $N_f=2$ QCD at finite temperature using Mobius domain-wall fermions. The susceptibility $\chi_t$ of the topological charge defined either by the index of overlap Dirac operator or a gluonic operator is investigated at several values of temperature $T\ (>T_c)$ varying the quark mass. A strong suppression of the susceptibility is observed below a certain value of the quark mass. The relation with the restoration of $U_A(1)$ is discussed.