Corotating dyonic binary black holes

Cabrera‐Munguia, I.

doi:10.1016/j.physletb.2020.135945

Cited by 6 publications

(4 citation statements)

References 26 publications

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“…The extension of the binary model to include unequal magnetic charges on each KN BH, and thus define a ro-tating dyonic binary BH system it might be possible to achieve once a duality rotation procedure a la Carter [29] is applied [30]. However, even though it seems quite trivial to achieve this goal when electrical charges are identical, in the unequal case this problem can be hard to deal with.…”

Section: Discussionmentioning

confidence: 99%

Unequal binary configurations of interacting Kerr black holes

Cabrera‐Munguia

2018

Physics Letters B

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Stationary axisymmetric binary configurations of unequal Kerr sources with a massless strut among them are developed in a physical representation. In order to describe interacting black holes, the axis conditions in the most general case are solved analytically deriving the corresponding 5parametric asymptotically flat exact solution. In addition, we obtain concise formulas for the black hole horizons, the interaction force, as well as the thermodynamical characteristics of each source in terms of physical Komar parameters: mass Mi, angular momentum Ji, and coordinate distance R, where such parameters are contained inside of the coefficients of a cubic equation which can be interpreted as a dynamical law for interacting black holes with struts. Some limits are obtained and discussed.

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Section: Discussionmentioning

confidence: 99%

Unequal binary configurations of interacting Kerr black holes

Cabrera‐Munguia

2018

Physics Letters B

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“…( 9) and ( 10), it will be possible to derive a binary model of rotating dyonic extreme BHs kept apart by a massless strut, where the sources are equipped with identical magnetic charges but endowed with opposite signs. Therefore, there exists a Dirac string joined to the BHs unless the magnetic charges are removed from the solution [11][12][13]. In this case, an absence of individual magnetic charges is accomplished if the condition on the real part of the potential Φ is imposed [11], that is…”

Section: The Charged Kinnersley-chitre Exact Solutionmentioning

confidence: 99%

“…with the aim to derive the magnetic potential by considering its real part. This potential is useful to consider the contribution of the Dirac string in the horizon mass [11][12][13].…”

Section: Extreme Kn Binary Bhsmentioning

confidence: 99%

“…In contrast, the treatment of unequal binary configurations of extreme Kerr-Newman (KN) BHs [10] has been a fairly complicated problem beyond our possibilities, due mainly to the fact that the axis conditions are not enough to define properly KN BHs, therefore, it is necessary to impose an extra condition in order to kill both magnetic charges, otherwise, Dirac strings linked to the KN BHs will appear [11][12][13]. The main purpose of this paper is to derive a five-parametric exact solution that completely describes binary co-and counter-rotating extreme KN BH separated by a massless strut in a unified manner.…”

Section: Introductionmentioning

confidence: 99%

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Metric for two unequal extreme Kerr-Newman black holes

Cabrera-Munguia

2021

Preprint

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In the present paper, within the framework of stationary axisymmetric spacetimes, binary systems composed of two unequal co-and counter-rotating extreme Kerr-Newman black holes separated by a massless strut are reported. The metric describing both configurations is introduced in a closed analytical form in terms of five arbitrary parameters: the masses Mi, electric charges Qi, and a coordinate distance R. We obtain novel results from these configurations; in particular, those related to the merging process.

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