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arXiv 0709.4588gr-qcastro-ph
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Kerr时空中自力的m模正则化方案

m-Mode Regularization Scheme for the Self Force in Kerr Spacetime

Leor Barack, Darren A. Golbourn, Norichika Sago

摘要:

本文提出了一种新的、简单的方法来计算作用在克尔黑洞轨道上的粒子上的标量、电磁和引力自作用力。用于自作用力计算的标准“模式和正则化”方法依赖于将全部(延迟)扰动场分解为多极模式,然后应用某种逐模式正则化程序。近年来,几个研究组已经开发出直接在2+1维中计算黑洞扰动的数值代码(即,将方位角依赖性分解成$m$模式,但避免完全多极分解)。在这里,我们制定了一个实用的计划,直接从2+1-维$m$ -模式的建设自我力。虽然标准的模式和方法是服务以及在史瓦西几何中的自作用力的计算,新的计划应该允许一个更有效的处理克尔问题。

英文摘要:

We present a new, simple method for calculating the scalar, electromagnetic, and gravitational self forces acting on particles in orbit around a Kerr black hole. The standard ``mode-sum regularization'' approach for self-force calculations relies on a decomposition of the full (retarded) perturbation field into multipole modes, followed by the application of a certain mode-by-mode regularization procedure. In recent years several groups have developed numerical codes for calculating black hole perturbations directly in 2+1 dimensions (i.e., decomposing the azimuthal dependence into $m$-modes, but refraining from a full multipole decomposition). Here we formulate a practical scheme for constructing the self force directly from the 2+1-dimensional $m$-modes. While the standard mode-sum method is serving well in calculations of the self force in Schwarzschild geometry, the new scheme should allow a more efficient treatment of the Kerr problem.

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。

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