Dynamics from symmetries in chiral SU(N) gauge theories
Dynamics from symmetries in chiral SU(N) gauge theories
复制标题
手性 SU(N) 规范理论中对称性的动力学
DOI:
10.1007/jhep09(2020)001
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发表时间:
2020
影响因子:
5.4
通讯作者:
Andrea Luzio
中科院分区:
文献类型:
--
作者:
S. Bolognesi;K. Konishi;Andrea Luzio
The symmetries and dynamics of simple chiral SU(N) gauge theories, with matter Weyl fermions in a two-index symmetric tensor and N + 4 anti-fundamental representations, are examined, by taking advantage of the recent developments involving the ideas of generalized symmetries, gauging of discrete center 1-form symmetries and mixed ’t Hooft anomalies. This class of models are particularly interesting because the conventional ’t Hooft anomaly matching constraints allow a chirally symmetric confining vacuum, with no condensates breaking the U(1) × SU(N + 4) flavor symmetry, and with certain set of massless baryonlike composite fermions saturating all the associated anomaly triangles. Our calculations show that in such a vacuum the UV-IR matching of some 0-form−1-form mixed ’t Hooft anomalies fails. This implies, for the theories with even N at least, that a chirally symmetric confining vacuum contemplated earlier in the literature actually cannot be realized dynamically. In contrast, a Higgs phase characterized by some gauge-noninvariant bifermion condensates passes our improved scrutiny.
影响因子:
5.4
作者:
Anber, Mohamed M.;Poppitz, Erich
通讯作者:
Poppitz, Erich
影响因子:
5.4
作者:
Anber, Mohamed M.;Poppitz, Erich
通讯作者:
Poppitz, Erich