利用（2+1）$$维托尔曼时空的低质量奇异恒星分析模型

IF 1.9 4区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Pramana Pub Date : 2024-05-14 DOI:10.1007/s12043-024-02741-2

Taniya Kundu, Masum Murshid, Prabir Kumar Haldar, Mehedi Kalam

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引用次数: 0

摘要

低质量奇异星很难解释。在本文中，我们用（2+1）维的托尔曼IV度量对这些低质量奇异星进行了建模。我们发现，吸引力或正各向异性力的存在是我们模型中奇异星质量较低的原因。我们还发现宇宙学常数在恒星的质量-半径关系中起着重要作用。我们用我们的模型预测了几颗低质量奇异恒星的半径。我们的方法有助于预测低质量奇异恒星的关键参数。

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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Analytical model of low-mass strange stars using Tolman space–time in $(2+1)$ dimensions

It is hard to explain low-mass strange stars. In this paper, we have modelled these low-mass strange stars using the Tolman IV metric in ($2+1$) dimensions. We found that the presence of attractive or positive anisotropic force is the cause for the lower mass of the strange stars in our model. We have also found that the cosmological constant has a significant role in the mass–radius relationship of the stars. We have used our model to predict the radius of a few low-mass strange stars. Our approach is helpful for predicting the crucial parameters of the low-mass strange stars.

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来源期刊

Pramana 物理-物理：综合

CiteScore

3.60

自引率

7.10%

发文量

206

审稿时长

3 months

期刊介绍： Pramana - Journal of Physics is a monthly research journal in English published by the Indian Academy of Sciences in collaboration with Indian National Science Academy and Indian Physics Association. The journal publishes refereed papers covering current research in Physics, both original contributions - research papers, brief reports or rapid communications - and invited reviews. Pramana also publishes special issues devoted to advances in specific areas of Physics and proceedings of select high quality conferences.