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# 36th Annual International Symposium on Lattice Field Theory

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

## Topological Susceptibility in $N_f=2$ QCD at Finite Temperature -- Volume Study

Jul 24, 2018, 2:40 PM
20m
Centennial (Kellogg Hotel and Conference Center)

### Centennial

#### Kellogg Hotel and Conference Center

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

### Speaker

Yasumichi Aoki (KEK)

### Description

We study the topological charge in $N_f=2$ QCD at finite temperature using Mobius domain-wall fermions with reweighting to ovelap fermions. The susceptibility $\chi_t$ of the topological charge is studied in the high temperature phase with varying quark mass. Last year, we reported on a strong suppression of the susceptibility, observed below a certain value of the quark mass on a fixed spatial volume. We extend this study by changing the volume to both smaller and larger direction. The relation with the restoration of $U_A(1)$ is discussed.

### Co-authors

Dr Guido Cossu (Univ. Edinburgh) Dr Hidenori Fukaya (Osaka University) Dr Kei Suzuki (High Energy Accelerator Research Organization) Dr Shoji Hashimoto (KEK) Prof. Sinya Aoki (Yukawa Institute for Theoretical Physics) Dr Takashi Kaneko (KEK)

 Slides