Asymptotic symmetries and Weinberg’s soft photon theorem in Minkd+2

Asymptotic symmetries and Weinberg’s soft photon theorem in Minkd+2
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Minkd+2 中的渐近对称性和温伯格软光子定理

DOI:
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发表时间:
2019
影响因子:
5.4
通讯作者:
P. Mitra
P. Mitra
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
T. He;P. Mitra

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我们证明了无质量阿贝尔规范理论中温伯格领先的软光子定理意味着无限维大规范对称性的存在,该对称性作用于(d + 2)维明可夫斯基时空的零边界±。这些对称性由位于 ± 的 d 维天球的任意函数 ε(x) 参数化。这将先前建立的温伯格主导软定理与渐近对称性之间的等价性从四维及更高偶数维度扩展到所有更高维度。
We show that Weinberg’s leading soft photon theorem in massless abelian gauge theories implies the existence of an infinite-dimensional large gauge symmetry which acts non-trivially on the null boundaries ± of (d + 2)-dimensional Minkowski spacetime. These symmetries are parameterized by an arbitrary function ε(x) of the d-dimensional celestial sphere living at ±. This extends the previously established equivalence between Weinberg’s leading soft theorem and asymptotic symmetries from four and higher even dimensions to all higher dimensions.
从过去到未来零无穷大的渐近电荷守恒:麦克斯韦场
DOI: 10.1007/jhep10(2018)113
发表时间: 2018
影响因子: 5.4
作者:
Prabhu, Kartik
通讯作者: Prabhu, Kartik