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arXiv 2609.38303gr-qcastro-ph.CO

线性广义相对论中一个强宇宙学耦合质量增长解

A Strong Cosmologically Coupled Mass Growth Solution in Linearized General Relativity

Kevin S. Croker, Joshua Cohon, Viktor T. Toth, Massimiliano Rinaldi, Nicolas Fernandez, Joel L. Weiner, Duncan Farrah, Gregory Tarlé, Gustavo Niz, Christopher C… 展开作者

Kevin S. Croker, Joshua Cohon, Viktor T. Toth, Massimiliano Rinaldi, Nicolas Fernandez, Joel L. Weiner, Duncan Farrah, Gregory Tarlé, Gustavo Niz, Christopher Cain, James W. Rohlf, Alejandro Aviles, Jake Summers, Leander Thiele, Rogier A. Windhorst, Joshua Grumski-Flores

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中文总结 AI 辅助

该研究在线性广义相对论中构造了一个质量随宇宙膨胀按$a^\kappa$增长的黑洞解,其中$\kappa=3$时出现能量化真空云,为宇宙学耦合黑洞解释加速膨胀提供了可观测检验的新途径。

中文摘要 AI 辅助

DESI数据发布2提高了人们对宇宙学耦合黑洞(CCBHs)作为晚期加速膨胀解释的兴趣,但已知的CCBH模型增长太慢,无法驱动这一膨胀。我们在线性阶构造了一个广义相对论解,其Hernandez-Misner-Sharp质量随宇宙膨胀被动地按$a^\kappa$增长。常数$\kappa$进入Weyl和应力张量算符的所有本征值,因此增长在自由场和物质扇区中都是明确物理的。该解在恒星坍缩致密天体相关的时空上是因果的。在$\kappa = 3$时出现一个能量化真空云,补充了其他地方预测的能量化真空黑洞质量的$a^3$标度。这迈向$\kappa \sim 3$ CCBH精确解的第一步使得利用脉冲星双星进行观测测试成为可能。

英文摘要

DESI Data Release 2 has heightened interest in cosmologically coupled black holes (CCBHs) as an explanation for accelerating late-time expansion, but known models for CCBHs grow too slowly to drive it. We construct at linear order a solution to General Relativity whose Hernandez-Misner-Sharp mass passively grows $\propto a^κ$ as the universe expands. The constant $κ$ enters all eigenvalues of the Weyl and stress-tensor operators, so growth is unambiguously physical in both free-field and material sectors. The solution is causal over spacetime relevant for stellar collapse compact objects. A cloud of energized vacuum emerges at $κ= 3$, complementing the $a^3$ scaling predicted elsewhere for the masses of energized vacuum black holes. This first step toward $κ\sim 3$ CCBH exact solutions enables observational tests with pulsar binaries.

发表机构

  • Arizona State University(亚利桑那州立大学)
  • University of Hawai‘i at Mānoa(夏威夷大学马诺阿分校)
  • University of Trento(特伦托大学)
  • Trento Institute for Fundamental Physics and Applications TIFPA-INFN(特伦托基础物理与应用研究所)
  • Rutgers University(罗格斯大学)

机构由 AI 辅助整理,请以论文原文为准。

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