Scattering by stringy black holes

被引：1

作者：

Xavier, Sergio V. M. C. B. ^{[1
,2
,3
]}

Benone, Carolina L. ^{[4
]}

Leite, Luiz C. S. ^{[5
]}

Crispino, Luis C. B. ^{[1
,2
,3
]}

机构：

[1] Univ Fed Para, Programa Posgrad Fis, BR-66075110 Belem, Para, Brazil

[2] Univ Aveiro, Dept Matemat, Campus Santiago, P-3810183 Aveiro, Portugal

[3] Ctr Res & Dev Math & Applicat CIDMA, Campus Santiago, P-3810183 Aveiro, Portugal

[4] Univ Fed Para, Campus Salinopolis, BR-68721000 Salinopolis, Para, Brazil

[5] Inst Fed Para, Campus Altamira, BR-68377630 Altamira, Para, Brazil

来源：

PHYSICAL REVIEW D | 2023年 / 108卷 / 08期

基金：

欧盟地平线“2020”;

关键词：

MASSLESS SCALAR WAVES; EMISSION-SPECTRA; ABSORPTION;

D O I：

10.1103/PhysRevD.108.084060

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the scattering of axially incident massless scalar waves by a charged and rotating black hole solution from heterotic string theory called the Kerr-Sen black hole. We compute the scattering cross section using the partial wave approach, for arbitrary incident wavelengths. We compare our results with those of the general relativistic version of a charged and rotating black hole, namely the Kerr-Newman black hole. We present a selection of numerical results showing that these compact objects have similar scattering properties.

引用

页数：8

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