Orbifolds by 2-groups and decomposition

被引:7
|
作者
Pantev, Tony [1 ]
Robbins, Daniel G. [2 ]
Sharpe, Eric [3 ]
Vandermeulen, Thomas [2 ]
机构
[1] Univ Penn, Dept Math, David Rittenhouse Lab, 209 South 33rd St, Philadelphia, PA 19104 USA
[2] SUNY Albany, Dept Phys, 1400 Washington Ave, Albany, NY 12222 USA
[3] Virginia Tech, Dept Phys, MC 0435,850 West Campus Dr, Blacksburg, VA 24061 USA
关键词
Discrete Symmetries; Sigma Models; GROMOV-WITTEN THEORY; STRING COMPACTIFICATIONS; STACKS; GERBES;
D O I
10.1007/JHEP09(2022)036
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
In this paper we study three-dimensional orbifolds by 2-groups with a triviallyacting one-form symmetry group BK. These orbifolds have a global two-form symmetry, and so one expects that they decompose into (are equivalent to) a disjoint union of other three-dimensional theories, which we demonstrate. These theories can be interpreted as sigma models on 2-gerbes, whose formal structures reflect properties of the orbifold construction.
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页数:45
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