Anomaly matching, (axial) Schwinger models, and high-T super Yang-Mills domain walls
Anomaly matching, (axial) Schwinger models, and high-T super Yang-Mills domain walls
复制标题
异常匹配、(轴向)Schwinger 模型和高温超杨-米尔斯畴壁
DOI:
10.1007/jhep09(2018)076
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发表时间:
2018
影响因子:
5.4
通讯作者:
Poppitz, Erich
中科院分区:
文献类型:
--
作者:
Anber, Mohamed M.;Poppitz, Erich
We study the discrete chiral-and center-symmetry’t Hooft anomaly matching in the charge-q two-dimensional Schwinger model. We show that the algebra of the discrete symmetry operators involves a central extension, implying the existence of q vacua, and that the chiral and center symmetries are spontaneously broken. We then argue that an axial version of the q= 2 model appears in the worldvolume theory on domain walls between center-symmetry breaking vacua in the high-temperature SU (2)super-Yang-Mills theory and that it inherits the discrete’t Hooft anomalies of the four-dimensional bulk. The Schwinger model results suggest that the high-temperature domain wall exhibits a surprisingly rich structure: it supports a non-vanishing fermion condensate and perimeter law for spacelike Wilson loops, thus mirroring many properties of the strongly coupled four-dimensional low-temperature theory. We also discuss generalizations to theories with multiple adjoint fermions and possible lattice tests.
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DOI:
--
发表时间:
1995
期刊:
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