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超越$Z_2$的畴壁

16 Jul 2026, 09:05
15m
江门厅 (2号楼三楼)

江门厅

2号楼三楼

Speaker

Bowen Fu (Northeastern University, Shenyang)

Description

畴壁是从早期宇宙相变过程中离散对称性破缺过程中诞生的一类拓扑缺陷。最简单的畴壁来源于$Z_2$对称性的破缺。近年来,人们不再满足于研究这种$Z_2$对称性的破缺产生的简单畴壁,进而开始研究更复杂的离散对称性破缺产生的畴壁,包括更大的循环群$Z_n$以及非阿贝尔对称群$A_4$、$S_4$等。在这些对称性破缺产生的畴壁中,可能存在不稳定畴壁、复合畴壁、CP破坏畴壁等新的现象。

请选择分会 中微子物理、粒子天体物理与宇宙学

Primary author

Bowen Fu (Northeastern University, Shenyang)

Presentation materials