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

Measuring of chiral susceptibility using gradient flow

Jul 26, 2018, 12:00 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 Nonzero Temperature and Density

Speaker

Mr Atsushi Baba (University of Tsukuba)

Description

In the lattice gauge theory with Wilson fermion, chiral symmetry is explicitly broken. A non-trivial additive correction is needed to renormalize the chiral condensate. In this study, we use gradient flow to avoid this problem. Gradient flow makes us possible to define correctly renormalized chiral susceptibility without additive renormalization. We measure not only disconnected diagram but also connected diagram for chiral susceptibility. This measurement is on finite temperature full QCD with Nf=2+1 Wilson fermion, and for temperature range 178-348 MeV.

Primary author

Mr Atsushi Baba (University of Tsukuba)

Co-authors

Mr Asobu Suzuki (University of Tsukuba) Prof. Hiroshi Suzuki (Kyushu University) Prof. Kazuyuki Kanaya (University of Tsukuba) Prof. Masakiyo Kitazawa (Osaka University) Prof. Shinji Ejiri (Niigata University) Mr Takanori Shimojo (Kyushu University) Dr Takashi Umeda (Hiroshima University) Prof. Yusuke Taniguchi (University of Tsukuba)

Presentation Materials