The Infrared Physics of Bad Theories
The Infrared Physics of Bad Theories
复制标题
错误理论的红外物理学
DOI：
--
复制
发表时间：
2017
期刊：
影响因子：
--
通讯作者：
S. Cremonesi
中科院分区：
文献类型：
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作者：
Benjamin Assel;S. Cremonesi
研究了三维真空的完备模空间
N
=
4
N=4
U
(
N
)
U（N）SQCD理论
N
F
Nf基本原理，建立在库仑分支的代数描述上，并从模空间的局部几何推导出任何真空中的低能物理。我们证实了以前的索赔，好的和丑陋的SQCD理论，并表明，坏的理论流到相同的相互作用的不动点作为良好的理论与额外的自由扭曲超多重态。一个为坏理论提出的Seiberg型对偶，
N
≤
N
F
≤
2
N
−
2
N≤Nf≤2N−2被排除：假定的对偶理论的真空空间是不同的。然而，这种坏的理论有一个突出的真空，它保留了所有的整体对称性，其红外物理是建议的对偶。最后，我们解释了以前关于球配分函数的结果，阐明了紫外和红外之间的关系
R
对称真空中的R对称性。
We study the complete moduli space of vacua of 3d
N
=
4
N=4
U
(
N
)
U(N) SQCD theories with
N
f
Nf fundamentals, building on the algebraic description of the Coulomb branch, and deduce the low energy physics in any vacuum from the local geometry of the moduli space. We confirm previous claims for good and ugly SQCD theories, and show that bad theories flow to the same interacting fixed points as good theories with additional free twisted hypermultiplets. A Seiberg-like duality proposed for bad theories with
N
≤
N
f
≤
2
N
−
2
N≤Nf≤2N−2 is ruled out: the spaces of vacua of the putative dual theories are different. However such bad theories have a distinguished vacuum, which preserves all the global symmetries, whose infrared physics is that of the proposed dual. We finally explain previous results on sphere partition functions and elucidate the relation between the UV and IR
R
R-symmetry in this symmetric vacuum.