Results 31 to 40 of about 2,819,674 (325)

Maximal forces and thermodynamic quantities of specific black holes in modified theories of gravity

open access: yesNuclear Physics B, 2023
In this work, we explore the maximum force conjecture and thermal fluctuations for different black holes such as the brane-world black hole, de Rham-Gabadadze-Tolley black hole, Black-Bounce Reisner-Nordström black hole, and renormalization group ...
Abdul Jawad, Usman Zafar
doaj   +1 more source

Intermediate-Mass Black Holes [PDF]

open access: yes, 2019
We describe ongoing searches for intermediate-mass black holes with M_BH ~ 100-10^5 M_sun. We review a range of search mechanisms, both dynamical and those that rely on accretion signatures.
J. Greene, J. Strader, L. Ho
semanticscholar   +1 more source

Spin-Induced Scalarized Black Holes. [PDF]

open access: yesPhysical Review Letters, 2020
It was recently shown that a scalar field suitably coupled to the Gauss-Bonnet invariant G can undergo a spin-induced linear tachyonic instability near a Kerr black hole.
C. Herdeiro   +4 more
semanticscholar   +1 more source

The Role of Primordial Kicks on Black Hole Merger Rates [PDF]

open access: yes, 2005
Primordial stars are likely to be very massive $\geq30\Msun$, form in isolation, and will likely leave black holes as remnants in the centers of their host dark matter halos in the mass range $10^{6}-10^{10}\Ms$. Such early black holes, at redshifts z$\
Abel, Tom   +2 more
core   +5 more sources

Black holes of dimensionally continued gravity coupled to Born–Infeld electromagnetic field

open access: yesPhysics Letters B, 2018
In this paper, for dimensionally continued gravity coupled to Born–Infeld electromagnetic field, we construct topological black holes in diverse dimensions and construct dyonic black holes in general even dimensions.
Kun Meng, Da-Bao Yang
doaj   +1 more source

Black hole excision for dynamic black holes [PDF]

open access: yesPhysical Review D, 2001
5 pages, 7 figures, published version with changes to equation (2)
Alcubierre, Miguel   +4 more
openaire   +2 more sources

Mimetic black holes [PDF]

open access: yesPhysical Review D, 2020
In this paper, we look for the vacuum static spherically symmetric solution in the mimetic gravity scenario based on the conformal invariance principle. The trivial solution is a stealth Schwarzschild black hole with scalar hair where the mimetic field does not contribute to the background. However, a solution with two naked singularities shows up when
Mohammad Ali Gorji   +3 more
openaire   +2 more sources

Accreting fluids onto regular black holes via Hamiltonian approach

open access: yesEuropean Physical Journal C: Particles and Fields, 2017
We investigate the accretion of test fluids onto regular black holes such as Kehagias–Sfetsos black holes and regular black holes with Dagum distribution function. We analyze the accretion process when different test fluids are falling onto these regular
Abdul Jawad, M. Umair Shahzad
doaj   +1 more source

Rotating Black Holes with Monopole Hair [PDF]

open access: yes, 2004
We study rotating black holes in Einstein-Yang-Mills-Higgs theory. These black holes emerge from static black holes with monopole hair when a finite horizon angular velocity is imposed.
't Hooft   +29 more
core   +1 more source

Quantum black holes. Black hole temperature without a black hole? [PDF]

open access: yesProceedings of Black Holes in General Relativity and String Theory — PoS(BHs, GR and Strings), 2009
revtex4, 7 pages, Talk given at Workshop "Black Holes in General Relativity and String Theory", August, 24-30, 2008, Veli Losinj ...
openaire   +2 more sources

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