The fate of Chiral Gauge theory

17 Jul 2026, 11:38
12m
深圳厅 (2号楼二楼)

深圳厅

2号楼二楼

Speaker

Dr Hao-Lin Li (Zhongshan University)

Description

The infrared structure of gauge theories with chiral fermions remains largely unexplored. In this work we investigate the Bars--Yankielowicz class using the functional renormalisation group, building on recent developments in gauge--fermion systems that provide clear criteria for confinement and dynamical symmetry breaking.
We show that two distinct phases arise: one exhibiting both confinement and symmetry breaking at small numbers of colours, and another characterised by confinement without symmetry breaking in the large-colour limit. The latter realises a novel regime, opening the possibility of exotic spectra and phenomena that can now be studied within a systematic framework.

请选择分会 TeV物理和超出标准模型新物理

Primary author

Dr Hao-Lin Li (Zhongshan University)

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