GrayHawk：一个用于计算球对称黑洞周围无质量场灰体因子的公开代码
$\tt GrayHawk$: A public code for calculating the Gray Body Factors of massless fields around spherically symmetric Black Holes
AI总结：
本文介绍公开 Mathematica 工具 GrayHawk，用于高效计算球对称渐近平坦黑洞周围自旋 0、1/2、1、2 无质量场的灰体因子，预载七种度规并支持模块化扩展。
摘要：
我们介绍并描述了 $\ t GrayHawk$，一个基于 Mathematica 的公开可用工具，旨在高效计算球对称且渐近平坦黑洞的灰体因子。该程序为用户提供了一种快速可靠的手段，在给定黑洞度规及相关参数值的情况下，计算自旋为 \(s = 0, 1/2, 1, 2\) 的无质量场在由角量子数 \(l\) 指定的模式下的灰体因子。$\ t GrayHawk$ 预载了七种不同的黑洞度规，可立即应用于多种理论模型。此外，其模块化结构允许用户通过引入替代度规或配置轻松扩展其功能。这种多功能性使 $\ t GrayHawk$ 成为研究黑洞物理和霍金辐射的研究人员强大且适应性强的资源。本文所述代码可在 https://github.com/marcocalza89/GrayHawk 公开获取。
英文摘要：
We introduce and describe $\tt GrayHawk$, a publicly available Mathematica-based tool designed for the efficient computation of gray-body factors for spherically symmetric and asymptotically flat black holes. This program provides users with a rapid and reliable means to compute gray-body factors for massless fields with spin \(s = 0, 1/2, 1, 2\) in modes specified by the angular quantum number \(l\), given a black hole metric and the associated parameter values. $\tt GrayHawk$ is preloaded with seven different black hole metrics, offering immediate applicability to a variety of theoretical models. Additionally, its modular structure allows users to extend its functionality easily by incorporating alternative metrics or configurations. This versatility makes $\tt GrayHawk$ a powerful and adaptable resource for researchers studying black hole physics and Hawking radiation. The codes described in this work are publicly available at https://github.com/marcocalza89/GrayHawk.
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