Can plasma physics establish a significant bound on long-range dark matter interactions?

IF 5 2区物理与天体物理 Q1 Physics and Astronomy

Physical Review D Pub Date : 2025-04-17 DOI:10.1103/physrevd.111.l071701

K. Schoeffler, N. Shukla, L. O. Silva

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引用次数: 0

Abstract

Dark matter has been theorized to be charged under its own “dark electromagnetism” (dark-EM). Under this hypothesis, dark matter can behave like a cold collisionless plasma of self-interacting dark matter particles and exhibit plasmalike instabilities with observational consequences. Using the results published in [], which studied the degree of slowdown between two interpenetrating e−e+ plasma clouds due to plasma instabilities, estimates of similar interactions for colliding “dark plasmas” are explored. Comparison with astronomical observations reveals strong new constraints on dark-EM with the dark electromagnetic self-interaction αD<4×10−25.

Published by the American Physical Society

2025

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等离子体物理学能否为暗物质的远距离相互作用建立一个重要的界限？

理论上，暗物质在其自身的“暗电磁”（Dark - em）下是带电的。在这一假设下，暗物质可以表现得像自相互作用暗物质粒子的冷无碰撞等离子体，并表现出与等离子体相似的不稳定性。利用发表在[]上的研究结果，研究了由于等离子体不稳定性导致的两个互穿e - e+等离子体云之间的减速程度，对碰撞“暗等离子体”的类似相互作用进行了估计。通过与天文观测的比较，揭示了暗电磁自相互作用αD<；4×10−25对暗电磁的新约束。2025年由美国物理学会出版

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physical Review D 物理-天文与天体物理

CiteScore

9.20

自引率

36.00%

发文量

审稿时长

2 months

期刊介绍： Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics. PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including: Particle physics experiments, Electroweak interactions, Strong interactions, Lattice field theories, lattice QCD, Beyond the standard model physics, Phenomenological aspects of field theory, general methods, Gravity, cosmology, cosmic rays, Astrophysics and astroparticle physics, General relativity, Formal aspects of field theory, field theory in curved space, String theory, quantum gravity, gauge/gravity duality.