Mini‐review on mini‐black holes from the mini‐Big Bang

Bleicher, Marcus; Nicolini, Piero

doi:10.1002/asna.201412080

Cited by 12 publications

(19 citation statements)

References 73 publications

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“…For useful review on black hole remnant from noncommutative geometry, one can consult Refs. [57,58]. It would be interesting to try to get a better understanding of this link.…”

Section: Discussionmentioning

confidence: 96%

Remnant for all black objects due to gravity's rainbow

2015

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We argue that a remnant is formed for all black objects in gravity's rainbow. This will be based on the observation that a remnant depends critically on the structure of the rainbow functions, and this dependence is a model independent phenomena. We thus propose general relations for the modified temperature and entropy of all black objects in gravity's rainbow. We explicitly check this to be the case for Kerr, Kerr-Newman-dS, charged-AdS, and higher dimensional Kerr-AdS black holes. We also try to argue that a remnant should form for black saturn in gravity's rainbow. This work extends our previous results on remnants of Schwarzschild black holes [1] and black rings [2].

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“…For useful review on black hole remnant from noncommutative geometry, one can consult Refs. [57,58]. It would be interesting to try to get a better understanding of this link.…”

Section: Discussionmentioning

confidence: 96%

Remnant for all black objects due to gravity's rainbow

2015

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“…However, the energy required for black hole formation might exceed current accelerator capabilities, as explained in Refs. [93,94]. Lower dimensional versions of the metric (40) have also been studied in the context of dilatonic gravity: surprisingly, the regularity of the manifold gives rise to a richer topology, admitting up to six horizons [95].…”

Section: Regular Black Holesmentioning

confidence: 99%

Minimum Length Effects in Black Hole Physics

Casadio

Micu

Nicolini

2014

Fundamental Theories of Physics

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We review the main consequences of the possible existence of a minimum measurable length, of the order of the Planck scale, on quantum effects occurring in black hole physics. In particular, we focus on the ensuing minimum mass for black holes and how modified dispersion relations affect the Hawking decay, both in four space-time dimensions and in models with extra spatial dimensions. In the latter case, we briefly discuss possible phenomenological signatures. Gravity and minimum lengthPhysics is characterized by a variety of research fields and diversified tools of investigation that strongly depend on the length scales under consideration. As a result, one finds an array of sub-disciplines, spanning from cosmology, to astrophysics, geophysics, molecular and atomic physics, nuclear and particle physics. In a nutshell, we can say that Physics concerns events occurring at scales between the radius of the Universe and the typical size of observed elementary particles. It is not hard to understand that such a rich array of physical phenomena requires specific formalisms. For instance, at macroscopic scales, models of the Universe are obtained in terms of general relativity, while at microscopic scales quantum physics has been proven to be the adequate theory for the miniaturised world.

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“…We consider n ≥ 7 only, since n = 5, 6 are experimentally ruled out [33]. The result is that the fundamental length scale, l, in the black hole interior can be different from both l Pl and α.…”

Section: λmentioning

confidence: 98%

“…The effect of considering extra dimensions is that by increasing the number n, the ratio α/l decreases. We need, however, to take into account that also the size of extra dimensions decreases with n. For M F ∼ 1 TeV, R becomes smaller like ∼ 10 32 d −19 meters as d increases [33,34].…”

Section: λmentioning

confidence: 99%

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Connecting horizon pixels and interior voxels of a black hole

Nicolini

Singleton

2014

Physics Letters B

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In this paper we discuss to what extent one can infer details of the interior structure of a black hole based on its horizon. Recalling that black hole thermal properties are connected to the non-classical nature of gravity, we circumvent the restrictions of the no hair theorem by postulating that the black hole interior is singularity free due to violations of the usual energy conditions. Further these conditions allow one to establish a one-to-one, holographic projection between Planckian areal "bits" on the horizon and "voxels", representing the gravitational degrees of freedom in the black hole interior. We illustrate the repercussions of this idea by discussing an example of the black hole interior consisting of a de Sitter core postulated to arise from the local graviton quantum vacuum energy. It is shown that the black hole entropy can emerge as the statistical entropy of a gas of voxels.Comment: 10 pages, 0 figures, published version with note adde

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Mini‐review on mini‐black holes from the mini‐Big Bang

Cited by 12 publications

References 73 publications

Remnant for all black objects due to gravity's rainbow

Remnant for all black objects due to gravity's rainbow

Minimum Length Effects in Black Hole Physics

Connecting horizon pixels and interior voxels of a black hole

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