The 9th Asian Triangle Heavy-Ion Conference (ATHIC 2023)

Unphysical topological charge of nonabelian gauge theory and implications to hadron physics

25 Apr 2023, 16:40

20m

Multi-Purpose Studio, 2nd Floor (JMS Aster Plaza)

Poster New theoretical developments Poster Session

Speaker

Dr Nodoka Yamanaka (KMI, Nagoya University)

Description

We show that the topological charge of nonabelian gauge theory is not observable. We then inspect the phenomenological consequences to hadron physics and experiments such as the physical relevance of the axial U(1) symmetry and the unobservability of the chiral magnetic effect.