19–22 May 2025
Brussels
Europe/Brussels timezone

$\tt GrayHawk$: A public code for calculating the Gray Body Factors of massless fields around spherically symmetric Black Holes

20 May 2025, 12:10
20m
Brussels

Brussels

Speaker

Dr Marco Calza (University of Trento)

Description

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.

Author

Dr Marco Calza (University of Trento)

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