Black Holes

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Modelling quantum black holes

Modelling quantum black holes

... which has the new feature of introducing discontinuities in the wave function itself. In spite of such discontinuities, the Hamiltonian remains self-adjoint and the quan- tum theory describes well-defined unitary ...

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The action for higher spin black holes in three dimensions

The action for higher spin black holes in three dimensions

... Note that a boundary term at the horizon (center of the solid torus) does not appear because (2.4) is a covariant action. There is a key difference between the covariant and Hamiltonian actions. The Hamiltonian action is ...

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Constant curvature black holes in Einstein AdS gravity: Conserved quantities

Constant curvature black holes in Einstein AdS gravity: Conserved quantities

... BTZ black hole possesses constant curva- ture, and therefore it is locally indistinguishable from global AdS ...BTZ black holes led some authors to look for higher-dimensional generalizations, ...

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On the Prevalence of Supermassive Black Holes over Cosmic Time

On the Prevalence of Supermassive Black Holes over Cosmic Time

... Supermassive black holes ( SMBHs ) are ubiquitous in local, massive galaxies ( Kormendy & Ho 2013; Graham 2016 ) ...these black holes came into existance, and how they evolved over cosmic ...

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Evidence of Supermassive Black Holes in Narrow Emission Line Galaxies

Evidence of Supermassive Black Holes in Narrow Emission Line Galaxies

... supermassive black holes at the center of their nuclei: (1) the Seyfert 2 galaxies and LINERs follow the same characteristic power law relating the luminosity of the ionized flux with that of the continuum; ...

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Evolution of binary black holes in self gravitating discs: Dissecting the torques

Evolution of binary black holes in self gravitating discs: Dissecting the torques

... massive black holes (BHs) at their centres is nowadays a well established observational fact (see Gültekin et ...massive black hole binaries (BHBs), following galaxy mergers throughout cosmic ...

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A Cardy-like formula for rotating black holes with planar horizon

A Cardy-like formula for rotating black holes with planar horizon

... but both solution enjoys an anisotropy along one of the coordinates of the event horizon responsible of the violation of the hyperscaling property. On one hand, a simple calculation shows that the Cardy-Verlinde formula ...

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4D higher spin black holes with nonlinear scalar fluctuations

4D higher spin black holes with nonlinear scalar fluctuations

... In order to stress this point, let us recall a few basic facts of the Vasiliev equations (leaving further details for section 2). Conceptually speaking, the equations are analogs of the constraints on the super-torsion ...

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A note on the Cardy formula and black holes in 3D (massive) bigravity

A note on the Cardy formula and black holes in 3D (massive) bigravity

... We study to what extent the Cardy formula is valid in the context of three- dimensional massive gravity (bigravity). Since this theory has local bulk local excitations (a massive graviton) and black holes ...

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Thermodynamics of charged black holes with a nonlinear electrodynamics source

Thermodynamics of charged black holes with a nonlinear electrodynamics source

... of black hole mechanics are closely related and each of them can be derived from the ...of black holes mechanics have shown to be possible for some particular magnetic solutions in four dimensions ...

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Conserved quantities for a charged rotating black holes in 5D Einstein Maxwell Chern Simons theory

Conserved quantities for a charged rotating black holes in 5D Einstein Maxwell Chern Simons theory

... A black hole is a solution of General Relativity with nontrivial causal structure, which has been focus of study in fundamental physics in the last ...Kerr-AdS black hole for an arbitrary dimension D, with ...

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Termodinámica de agujeros negros con campos de materia  formulación hamiltoniana y cargas conservadas = Hairy black holes thermodynamics: Hamiltonian formulation and conserved charges

Termodinámica de agujeros negros con campos de materia formulación hamiltoniana y cargas conservadas = Hairy black holes thermodynamics: Hamiltonian formulation and conserved charges

... The black holes in the Einstein frame, and their geometrical and thermodynamic properties deserve further attention and they are interesting enough as to be considered in a future ...the black ...

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Field theories with anisotropic scaling in 2D, solitons and the microscopic entropy of asymptotically Lifshitz black holes

Field theories with anisotropic scaling in 2D, solitons and the microscopic entropy of asymptotically Lifshitz black holes

... of black holes with Lifshitz asymptotics can then be recovered from the corresponding generalization of Cardy formula, provided the ground state is identified as a ...

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Weighhing the black holes in z 2 submillimeter emitting galaxies hosting active galactic nuclei

Weighhing the black holes in z 2 submillimeter emitting galaxies hosting active galactic nuclei

... massive black holes and their host galaxies in this cosmologically important z ≈ 2 ...the black-hole masses of the X-ray-obscured SMGs, and the Atacama Large Millimeter Array (ALMA; Kawakatu et ...

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Evidence for Three Accreting Black Holes in a Galaxy at z ~ 1 35: A Snapshot of Recently Formed Black Hole Seeds?

Evidence for Three Accreting Black Holes in a Galaxy at z ~ 1 35: A Snapshot of Recently Formed Black Hole Seeds?

... massive black holes may thus lurk just below the detection limit of deep X-ray AGN ...low-mass black holes in z ∼ ...of black hole for- mation and growth in the universe and the ...

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New observational constraints on the growth of the First Supermassive Black Holes

New observational constraints on the growth of the First Supermassive Black Holes

... supermassive black holes (SMBHs) in the universe ...massive black holes as the local demography of black holes suggests? We are now in a position to examine this issue with ...

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Black holes in superstring theory - thermodynamic stability of five dimensional black holes in heterotic brane-worlds

Black holes in superstring theory - thermodynamic stability of five dimensional black holes in heterotic brane-worlds

... (non-quantum) Black Holes may appear as the result of considering the superposition of massive ...classical Black Holes has lead to the definition of microscopic quantities that re- semble ...

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Thermodynamics of dyonic black holes with Thurston horizon geometries

Thermodynamics of dyonic black holes with Thurston horizon geometries

... violation black holes refer to black hole solutions whose asymptotic forms match with the metric (32), see, ...violation black holes can be enlarged by relaxing the fact that the ...

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Black holes within asymptotic safety

Black holes within asymptotic safety

... Black holes are probably among the most fascinating objects populating our ...and black hole thermodynamics, provide a rich testing ground for quantum gravity ...of black holes within a ...

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Black holes in scale dependent frameworks

Black holes in scale dependent frameworks

... condition”. Black hole properties, such as horizon structure, Hawking temper- ature, Bekenstein-Hawking entropy as well as asymptotic properties, are discussed in ...classical black hole solutions, ...

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