Scalar fields, hierarchical UV/IR mixing and the Weak Gravity Conjecture
Scalar fields, hierarchical UV/IR mixing and the Weak Gravity Conjecture
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标量场、分层紫外/红外混合和弱重力猜想
DOI：
10.1007/jhep02(2018)040
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发表时间：
2017
影响因子：
5.4
通讯作者：
Eran Palti
中科院分区：
文献类型：
--
作者：
D. Lüst;Eran Palti
弱引力猜想（WGC）用粒子的电荷来限制粒子的质量。预计这个界限不能低于有效理论的紫外截止尺度。最近，在标量场的存在下，提出了WGC的扩展。我们表明，这个更一般的版本可以约束粒子的质量任意远低于有效理论的紫外截止。因此，它表现出分层UV/IR混合的形式。这可能对自然性有影响。我们还提出了新的证据表明，它符合降维的结果，标量场的WGC的拟议贡献。在这样的设置中，UV/IR混合与WGC和非本地规范算子之间的相互作用有关。
A bstractThe Weak Gravity Conjecture (WGC) bounds the mass of a particle by its charge. It is expected that this bound can not be below the ultraviolet cut-off scale of the effective theory. Recently, an extension of the WGC was proposed in the presence of scalar fields. We show that this more general version can bound the mass of a particle to be arbitrarily far below the ultraviolet cut-off of the effective theory. It therefore manifests a form of hierarchical UV/IR mixing. This has possible implications for naturalness. We also present new evidence for the proposed contribution of scalar fields to the WGC by showing that it matches the results of dimensional reduction. In such a setup the UV/IR mixing is tied to the interaction between the WGC and non-local gauge operators.
走出沼泽的缠绕：用F项缠绕膨胀规避弱引力猜想？
影响因子：
4.4
作者：
A. Hebecker;P. Mangat;F. Rompineve;L. T. Witkowski
通讯作者：
L. T. Witkowski