Gravitational Deflection of Massive Body Around Global Monopole

IF 5.6 3区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Fortschritte Der Physik-Progress of Physics Pub Date : 2024-12-20 DOI:10.1002/prop.202400007

Farook Rahaman, Ruhul Amin, Mahmud Hasan, Anikul Islam, Saibal Ray, Abdul Aziz, Naeem Ahmad Pundeer

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Abstract

The non-minimally coupled global monopole is a point like topological defect that may have been created during the phase transitions in the early universe. It is argued that topological defects are responsible for the structure formation of the galaxies and monopole could be the galactic dark matter in the spiral galaxies. In this article, the deflection of massive particle by the global monopole is studied. This basically makes sense as global monopole produces strong gravitational field due to enormous energy density allied with the Nambu–Goldstone field adjoining the monopole. The energy density of the monopole is decreasing with distance as $r^{- 2} + 0 (r^{- 2})$ and as a result global monopole structure plays an important role to explain the flatness of rotation curves of the outer region of various galaxies.

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质量体绕全球单极子的引力偏转

非最小耦合全局单极子是一种点状拓扑缺陷，可能是在早期宇宙的相变过程中产生的。认为拓扑缺陷是星系结构形成的原因，单极子可能是旋涡星系中的星系暗物质。本文研究了大质量粒子受全局磁单极子的偏转。这基本上是有道理的，因为全球单极子产生强大的引力场是由于巨大的能量密度与毗邻单极子的Nambu-Goldstone场相结合。单极子的能量密度随距离的增加而减小，为r−2 + 0 （r−2）)$ r^{-2} + 0(r^{-2})$，因此全局单极子结构对解释各星系外区旋转曲线的平坦性起着重要作用。

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

Fortschritte Der Physik-Progress of Physics 物理-物理：综合

CiteScore

6.70

自引率

7.70%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal Fortschritte der Physik - Progress of Physics is a pure online Journal (since 2013). Fortschritte der Physik - Progress of Physics is devoted to the theoretical and experimental studies of fundamental constituents of matter and their interactions e. g. elementary particle physics, classical and quantum field theory, the theory of gravitation and cosmology, quantum information, thermodynamics and statistics, laser physics and nonlinear dynamics, including chaos and quantum chaos. Generally the papers are review articles with a detailed survey on relevant publications, but original papers of general interest are also published.