用散射振幅探测迈尔斯-佩里黑洞的多极结构

IF 5.5 1区 物理与天体物理 Q1 Physics and Astronomy
Massimo Bianchi, Claudio Gambino, Fabio Riccioni, Vincenzo Zevola
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引用次数: 0

摘要

我们在克尔-柴尔德规范中讨论了大质量标量探测器在迈尔斯-佩里黑洞上的散射。扩展最近对Kerr(-Newman)黑洞进行的分析,我们表明Kerr- schild规范允许以解析形式写下Myers-Perry黑洞的树级散射振幅。对于角动量的一般值,Myers-Perry解与四维解相比具有更丰富的多极结构,因为它们的特点是存在应力多极,以及更熟悉的质量和电流多极。以五维情况为重点,从散射幅值推导出了前导相位,并给出了两种极限情况的显式表达式,即当两个角动量相同时,质量多极子消失,但解仍具有不消失的应力四极子和电流偶极子,当两个角动量之一为零时,相应的应力多极子消失,类似于Kerr情况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Probing the multipolar structure of Myers-Perry black holes with scattering amplitudes

We discuss the scattering of massive scalar probes off Myers-Perry black holes in the Kerr-Schild gauge. Extending the analysis performed recently for Kerr(-Newman) black holes, we show that the Kerr-Schild gauge allows to write down the tree-level scattering amplitude for Myers-Perry black holes in analytic form. For generic values of the angular momenta, Myers-Perry solutions have a richer multipolar structure compared to their four-dimensional counterparts, because they are characterized by the presence of stress multipoles, together with the more familiar mass and current multipoles. By focusing on the five-dimensional case, we derive the leading eikonal phase from the scattering amplitude and we give an explicit expression for two limiting scenari, namely when the two angular momenta are the same, so that the mass multipoles vanish but still the solution has a non-vanishing stress quadrupole and a current dipole, and when one of the two angular momenta is zero, and correspondingly the stress multipoles vanish similar to the Kerr case.

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来源期刊
Journal of High Energy Physics
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).
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