arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2602.20601gr-qc
收藏

环状正则性:Einasto支持的黑洞的引力扰动与 quasinormal 模式

Ringing Regularity: Gravitational Perturbations and Quasinormal Modes of Einasto-Supported Black Holes

University of Hradec Králové(赫拉德茨克拉洛韦大学);National University of Uzbekistan(乌兹别克斯坦国立大学);University of Tashkent for Applied Sciences(塔什干应用科学大学);New Uzbekistan University(新乌兹别克斯坦大学);National Research University TIIAME(TIIAME国立研究大学);Kimyo International University in Tashkent(塔什干化学国际大学);Tashkent State Technical University(塔什干国立技术大学);Urgench State University(乌鲁奇州立大学)

Bekir Can Lütfüoğlu, Javlon Rayimbaev, Sardor Murodov, Mardon Abdullaev, Munisbek Akhmedov

AI总结:

研究Einasto支持的正则黑洞的引力扰动与quasinormal模式,发现其谱偏离Schwarzschild情况,且阻尼率受halo参数和Einasto指数影响显著。

摘要:

我们研究了轴向引力扰动以及由Einasto分布物质支持的正则黑洞的 quasinormal 模式。 halo 物质不仅消除了中心奇点,还修改了 quasinormal 谱。 我们表明,所得到的 quasinormal 谱系统地偏离 Schwarzschild 情况,振荡频率和阻尼率的偏移随着 halo 尺寸参数和 Einasto 指数的增长而增长。 在近极端配置中,阻尼率可以显著降低,导致长寿命模式。 正则性和环境因素对谱的影响被发现比估计的数值不确定性大得多,这通过高阶 WKB 计算与 Padé 求和和时域积分的独立验证得到确认。

英文摘要:

We investigate axial gravitational perturbations and quasinormal modes of regular black holes supported by an Einasto distribution of matter. Halo matter not only removes the central singularity but also modifies the quasinormal spectrum. We show that the resulting quasinormal spectrum deviates systematically from the Schwarzschild case, with shifts in both oscillation frequencies and damping rates that grow with the halo scale parameter and the Einasto index. In near-extremal configurations, the damping rate can be significantly suppressed, leading to long-lived modes. The effects of regularity and environmental factors on the spectrum are found to be substantially larger than the estimated numerical uncertainty, as confirmed independently by high-order WKB calculations with Padé resummation and time-domain integration.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑