Restoration of chiral symmetry in cold and dense Nambu–Jona-Lasinio model with tensor renormalization group

27 Jul 2021, 22:15
15m
Oral presentation Theoretical developments and applications beyond particle physics Theoretical developments and applications beyond particle physics

Speaker

Yoshinobu Kuramashi (University of Tsukuba)

Description

We analyze the chiral phase transition of the Nambu–Jona-Lasinio model in the cold and dense region on the lattice developing the Grassmann version of the anisotropic tensor renormalization group algorithm. The model is formulated with the Kogut–Susskind fermion action. We use the chiral condensate as an order parameter to investigate the restoration of the chiral symmetry. The first-order chiral phase transition is clearly observed in the dense region at vanishing temperature with μ/T〜O(10^3) on a large volume of V=1024^4. We also present the results for the equation of state.

Primary authors

Shinichiro Akiyama (University of Tsukuba) Yoshinobu Kuramashi (University of Tsukuba) Dr Takumi Yamashita (University of Tsukuba) Dr Yusuke Yoshimura (University of Tsukuba)

Presentation materials