alp向暗光子暗物质的绝热转换

IF 5.5 1区物理与天体物理 Q1 Physics and Astronomy

Journal of High Energy Physics Pub Date : 2025-03-28 DOI:10.1007/JHEP03(2025)215

Edward Broadberry, Saurav Das, Anson Hook, Gustavo Marques-Tavares

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引用次数: 0

摘要

我们介绍了一种机制，通过该机制，在背景磁场的存在下，失调的ALP可以动态地转化为暗光子。大量的非相对论性ALPs将转化为具有与背景场的非均匀性顺序的动量的暗光子；因此，一个高度均匀的场将产生非相对论性的暗光子，而不依赖于它们的动量的任何红移。利用一阶相变产生的隐藏扇区磁场，该机制可以在低至10−13 eV的大范围暗光子质量范围内再现暗物质的残余丰度。

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Adiabatic conversion of ALPs into dark photon dark matter

We introduce a mechanism by which a misaligned ALP can be dynamically converted into a dark photon in the presence of a background magnetic field. An abundance of non-relativistic ALPs will convert to dark photons with momentum of order the inhomogeneities in the background field; therefore a highly homogeneous field will produce non-relativistic dark photons without relying on any redshifting of their momenta. Taking hidden sector magnetic fields produced by a first order phase transition, the mechanism can reproduce the relic abundance of dark matter for a wide range of dark photon masses down to 10⁻¹³ eV.

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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).