Hairy magnetic and dyonic black holes in the Standard Model

Bai, Y.; Korwar, Mrunal

doi:10.1007/jhep04(2021)119

Cited by 22 publications

(19 citation statements)

References 44 publications

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“…where n(m 1 , Q 1 ) and n(m 2 , Q 2 ) are the comoving average number density of charged BHs with masses m 1 , m 2 and charges Q 1 , Q 2 , and σv denotes the average over relative velocity distribution with σ = πb 2 max given in Eq. (25). In this section, we have worked out the merging cross section of charged BHs without assuming the origin of those charged BHs.…”

Section: Capturementioning

confidence: 99%

“…This paramount and non-trivial theorem allows people to reduce all BH solutions to just three physical quantities. Compared to Schwarzschild BHs, charged BHs emit not only gravitational radiation but also electromagnetic radiation, and have attracted much attention [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31]. Recently, assuming that the influence of BH spins can be neglected, Bozzola et al found that the charge-to-mass ratios of up to 0.3 are compatible with Binary BH merger event GW150914 [21].…”

Section: Introductionmentioning

confidence: 99%

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Merger rate of charged black holes from the two-body dynamical capture

Liu,

Kim

2022

Preprint

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We consider the dynamical capture of black holes carrying U(1) charge which can not only correspond to electric or magnetic charge but also have other physical interpretations such as dark or hidden charge. In the low-velocity and weak-field regime, we study gravitational and electromagnetic radiations from point masses with U(1) charges in a hyperbolic orbit, and we develop a formalism to derive the merger rate of charged black holes from the dynamical capture.We apply the formalism to find the effects of the charge-to-mass ratio on the merger rate for possible different cases and discover that the effects depend on the models.

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Section: Capturementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Merger rate of charged black holes from the two-body dynamical capture

Liu,

Kim

2022

Preprint

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“…To illustrate this framework, we explore in this work the case where electroweaksymmetric (EWS) balls act as the catalyst. Such states can arise in many theories, including non-topological solitons [6][7][8], dark monopoles [9], or magnetically charged black holes [10][11][12][13][14]. Schematically, the catalyzed baryogenesis process for this particular catalyst is illustrated in figure 1.…”

Section: Jhep10(2021)147mentioning

confidence: 99%

“…We give brief overviews of two such models here, and full details (including formation mechanisms) can be found in the corresponding references. It is worth mentioning a third possibility for EWS objects is a magnetically charged black hole [12][13][14], but their masses are greater than the Planck scale and thus too heavy to be of interest according to figures 2 and 3.…”

Section: Jhep10(2021)147mentioning

confidence: 99%

Catalyzed baryogenesis

Bai

Berger

Korwar

et al. 2021

J. High Energ. Phys.

Self Cite

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A novel mechanism, “catalyzed baryogenesis”, is proposed to explain the observed baryon asymmetry in our universe. In this mechanism, the motion of a ball-like catalyst provides the necessary out-of-equilibrium condition, its outer wall has CP-violating interactions with the Standard Model particles, and its interior has baryon number violating interactions. We use the electroweak-symmetric ball model as an example of such a catalyst. In this model, electroweak sphalerons inside the ball are active and convert baryons into leptons. The observed baryon number asymmetry can be produced for a light ball mass and a large ball radius. Due to direct detection constraints on relic balls, we consider a scenario in which the balls evaporate, leading to dark radiation at testable levels.

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“…These objects usually go under the name of hairy magnetic BHs and they have received increased attention in the recent literature (see e.g. [9][10][11][12] and references therein). Given the obvious analogy between vortex and monopole solutions, it seems reasonable to ask whether self-gravitating Abrikosov vortices can also hold a small black hole within their core.…”

Section: Introductionmentioning

confidence: 99%

The Abrikosov vortex in curved space

Albert

2021

J. High Energ. Phys.

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We study the self-gravitating Abrikosov vortex in curved space with and with-out a (negative) cosmological constant, considering both singular and non-singular solutions with an eye to hairy black holes. In the asymptotically flat case, we find that non-singular vortices round off the singularity of the point particle’s metric in 3 dimensions, whereas singular solutions consist of vortices holding a conical singularity at their core. There are no black hole vortex solutions. In the asymptotically AdS case, in addition to these solutions there exist singular solutions containing a BTZ black hole, but they are always hairless. So we find that in contrast with 4-dimensional ’t Hooft-Polyakov monopoles, which can be regarded as their higher-dimensional analogues, Abrikosov vortices cannot hold a black hole at their core. We also describe the implications of these results in the context of AdS/CFT and propose an interpretation for their CFT dual along the lines of the holographic superconductor.

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Hairy magnetic and dyonic black holes in the Standard Model

Cited by 22 publications

References 44 publications

Merger rate of charged black holes from the two-body dynamical capture

Merger rate of charged black holes from the two-body dynamical capture

Catalyzed baryogenesis

The Abrikosov vortex in curved space

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