4D Einstein--Gauss--Bonnet Gravity Coupled to Modified Logarithmic Nonlinear Electrodynamics

Sergey I. Kruglov

doi:10.20944/preprints202210.0329.v2

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preprints.org > physical sciences > astronomy and astrophysics > doi: 10.20944/preprints202210.0329.v2

Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

4D Einstein--Gauss--Bonnet Gravity Coupled to Modified Logarithmic Nonlinear Electrodynamics

Sergey I. Kruglov

Version 1 : Received: 20 October 2022 / Approved: 21 October 2022 / Online: 21 October 2022 (10:15:42 CEST)
Version 2 : Received: 30 December 2022 / Approved: 4 January 2023 / Online: 4 January 2023 (12:37:29 CET)

A peer-reviewed article of this Preprint also exists.

Kruglov, S.I. 4D Einstein–Gauss–Bonnet Gravity Coupled to Modified Logarithmic Nonlinear Electrodynamics. Universe 2023, 9, 24. Kruglov, S.I. 4D Einstein–Gauss–Bonnet Gravity Coupled to Modified Logarithmic Nonlinear Electrodynamics. Universe 2023, 9, 24.

Abstract

Spherically symmetric solution in 4D Einstein--Gauss--Bonnet gravity coupled to modified logarithmic nonlinear electrodynamics (ModLogNED) is found. This solution at infinity possesses the charged black hole Reissner--Nordstr\"{o}m behavior. We study the black hole thermodynamics, entropy, shadow, energy emission rate and quasinormal modes. It was shown that black holes can possess the phase transitions and at some range of event horizon radii black holes are stable. The entropy has the logarithmic correction to the area law. The shadow radii were calculated for variety of parameters. We found that there is a peak of the black hole energy emission rate. The real and imaginary parts of the quasinormal modes frequencies were calculated. The energy conditions of ModLogNED are investigated.

Keywords

Einstein--Gauss--Bonnet gravity; nonlinear electrodynamics; thermodynamics; entropy; shadow; energy emission; quasinormal modes

Subject

Physical Sciences, Astronomy and Astrophysics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Comments (1)

Comment 1

Received: 4 January 2023
Commenter: Sergey Kruglov
Commenter's Conflict of Interests: Author

Comment: Introduction and references were updated. Typos were corrected.

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