Motion of test particles in quasi anti-de Sitter regular black holes

被引：7

作者：

Corona, Dario ^{[1
]}

Giambo, Roberto ^{[1
,2
,3
]}

Luongo, Orlando ^{[1
,2
,4
,5
,6
]}

机构：

[1] Univ Camerino, Sch Sci & Technol, Via Madonna Carceri, I-62032 Camerino, Italy

[2] Ist Nazl Fis Nucl INFN, Sez Perugia, I-06123 Perugia, Italy

[3] INAF Tor Vergata, IAPS, I-00133 Rome, Italy

[4] SUNY Polytech Inst, Utica, NY 13502 USA

[5] INAF Osservatorio Astron Brera, I-20121 Milan, Italy

[6] Al Farabi Univ, Al Farabi 71, Alma Ata 050040, Kazakhstan

来源：

INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS | 2024年 / 21卷 / 10期

关键词：

Regular black holes; anti-de Sitter spacetime; geodesics; quintessence;

D O I：

10.1142/S021988782440019X

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, we explore the characteristics of two novel regular spacetimes that exhibit a nonzero vacuum energy term, under the form of a (quasi) anti-de Sitter phase. Specifically, the first metric is spherical, while the second, derived by applying the generalized Newman-Janis algorithm to the first, is axisymmetric. We show that the equations of state of the effective fluids associated with the two metrics asymptotically tend to negative values, resembling quintessence. In addition, we study test particle motions, illustrating the main discrepancies among our models and more conventional metrics exhibiting non-vanishing anti-de Sitter phase.

引用

页数：15

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