New black-to-white hole solutions with improved geometry and energy conditions

Feng, Zhongwen; Ling, Yi; Wu, Xiaoning; Jiang, Qingquan

doi:10.1007/s11433-023-2373-0

Sci. China Phys. Mech. Astron.

2024

DOI: 10.1007/s11433-023-2373-0

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New black-to-white hole solutions with improved geometry and energy conditions

Zhongwen Feng,

Yi Ling,

Xiaoning Wu

et al.

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Cited by 1 publication

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Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core

Tang,

Ling,

Jiang

et al. 2024

Eur. Phys. J. C

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We investigate the perturbation of the scalar field as well as the electromagnetic field over a sort of regular black holes which are characterized by the sub-Planckian curvature and the Minkowskian core. Specifically, we compute the quasinormal modes (QNMs) by employing the pseudo-spectral method. The outburst of overtones is manifestly observed in the QNMs of these regular black holes, which can be attributed to the deviation of the Schwarzschild black hole by quantum effects of gravity. Furthermore, the QNMs under the perturbation of electromagnetic field exhibit smaller real and imaginary parts than those under scalar field perturbation. By comparing the QNMs of the regular black hole featured by Minkowskian core with those of Bardeen black hole featured by de Sitter core, we find they may be an effective tool to distinguish these BHs.

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Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core

Tang,

Ling,

Jiang

et al. 2024

Eur. Phys. J. C

View full text Add to dashboard Cite

show abstract

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New black-to-white hole solutions with improved geometry and energy conditions

Cited by 1 publication

References 94 publications

Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core

Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core

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