经典的超相位旋转红外三角形。经典对数软定理作为（标量）QED中的守恒定律

IF 5.4 1区物理与天体物理 Q1 Physics and Astronomy

Journal of High Energy Physics Pub Date : 2025-05-16 DOI:10.1007/JHEP05(2025)155

Sangmin Choi, Alok Laddha, Andrea Puhm

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引用次数: 0

摘要

对数软光子定理在四维中的普遍性可以追溯到无限维渐近对称，它作为物质的局部相旋转，正如我们在[1]中所示。在这里，我们将之前关于这些超相移相关电荷的结果推广到耦合中的所有阶，并证明它们的守恒完全符合Saha， Sahoo和Sen[2]发现的经典对数软光子定理。我们进一步将相关电磁位移记忆及其尾的公式从粒子推广到标量物质场。这就完成了经典的超相位旋转红外三角形。

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The classical super-phaserotation infrared triangle. Classical logarithmic soft theorem as conservation law in (scalar) QED

The universality of the logarithmic soft photon theorem in four dimensions can be traced to an infinite-dimensional asymptotic symmetry which acts as a local phase rotation on matter as we have shown in [1]. Here we extend our earlier results for the charges associated to these superphaserotations to all orders in the coupling and prove that their conservation is exactly the classical logarithmic soft photon theorem discovered by Saha, Sahoo and Sen [2]. We furthermore generalize the formulae for the associated electromagnetic displacement memory and its tail from particles to scalar matter fields. This completes the classical superphaserotation infrared triangle.

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来源期刊

Journal of High Energy Physics 物理-物理：粒子与场物理

CiteScore

10.30

自引率

46.30%

发文量

2107

审稿时长

1.5 months

期刊介绍： The aim of the Journal of High Energy Physics (JHEP) is to ensure fast and efficient online publication tools to the scientific community, while keeping that community in charge of every aspect of the peer-review and publication process in order to ensure the highest quality standards in the journal. Consequently, the Advisory and Editorial Boards, composed of distinguished, active scientists in the field, jointly establish with the Scientific Director the journal''s scientific policy and ensure the scientific quality of accepted articles. JHEP presently encompasses the following areas of theoretical and experimental physics: Collider Physics Underground and Large Array Physics Quantum Field Theory Gauge Field Theories Symmetries String and Brane Theory General Relativity and Gravitation Supersymmetry Mathematical Methods of Physics Mostly Solvable Models Astroparticles Statistical Field Theories Mostly Weak Interactions Mostly Strong Interactions Quantum Field Theory (phenomenology) Strings and Branes Phenomenological Aspects of Supersymmetry Mostly Strong Interactions (phenomenology).