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Thermodynamic Metrics and Black Hole Physics [PDF]

open access: yesEntropy, 2015
We give a brief survey of thermodynamic metrics, in particular the Hessian of the entropy function, and how they apply to black hole thermodynamics. We then provide a detailed discussion of the Gibbs surface of Kerr black holes. In particular, we analyze
Jan E. Åman   +2 more
doaj   +5 more sources

A simple, approximate method for analysis of Kerr-Newman black hole dynamics and thermodynamics [PDF]

open access: yesSerbian Astronomical Journal, 2009
In this work we present a simple approximate method for analysis of the basic dynamical and thermodynamical characteristics of Kerr-Newman black hole.
Panković V.   +2 more
doaj   +3 more sources

Thermalization of horizon through asymptotic symmetry in three-dimensional massive gravity

open access: yesPhysics Letters B, 2021
Recently, black hole symmetries have been studied widely and it has been speculated that this procedure will lead to the deeper understanding of the black hole physics.
M.R. Setare   +2 more
doaj   +1 more source

Bohr's Semiclassical Model of the Black Hole Thermodynamics [PDF]

open access: yesSerbian Astronomical Journal, 2008
We propose a simple procedure for evaluating the main attributes of a Schwarzschild's black hole: Bekenstein-Hawking entropy, Hawking temperature and Bekenstein's quantization of the surface area.
Panković, V.   +2 more
doaj   +3 more sources

String physics and black holes [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 1996
20 pages, Latex (needs espcrc2.sty), 6 ...
Susskind, Leonard, Uglum, John
openaire   +3 more sources

A Detailed View of Low-frequency Quasi-periodic Oscillation in the Broadband 0.2–200 keV with Insight-HXMT and NICER

open access: yesThe Astrophysical Journal, 2023
We report the X-ray timing results of the black hole candidate MAXI J1820+070 during its 2018 outburst using the Hard X-ray Modulation Telescope (Insight-HXMT) and Neutron Star Interior Composition Explorer Mission (NICER) observations.
X. Ma   +15 more
doaj   +1 more source

UV–Optical Disk Reverberation Lags despite a Faint X-Ray Corona in the Active Galactic Nucleus Mrk 335

open access: yesThe Astrophysical Journal, 2023
 We present the first results from a 100-day Swift, NICER, and ground-based X-ray–UV–optical reverberation mapping campaign of the Narrow-line Seyfert 1 Mrk 335, when it was in an unprecedented low X-ray flux state.
Erin Kara   +39 more
doaj   +1 more source

Burns space and holography

open access: yesJournal of High Energy Physics, 2023
We elaborate on various aspects of our top-down celestial holographic duality wherein the semiclassical bulk spacetime is a 4d asymptotically flat, self-dual Kähler geometry known as Burns space.
Kevin Costello   +2 more
doaj   +1 more source

BLACK HOLES AND FUNDAMENTAL PHYSICS [PDF]

open access: yesNew Worlds in Astroparticle Physics, 2006
Invited talk at the Fifth International Workshop on New Worlds in Astroparticle Physics, University of the Algarve, Faro, Portugal, January 8-10, 2005, published in the Proceedings of the Fifth International Workshop on New Worlds in Astroparticle Physics, World Scientific (2006), eds. Ana M. Mour\~ao et al., p.
openaire   +2 more sources

Black Holes Physics [PDF]

open access: yesAdvances in High Energy Physics, 2014
1 School of Science, Chongqing Jiaotong University, Nanan 400074, China 2Dipartimento di Fisica e Chimica, Istituto Universitario di Ricerca Scientifica “Santa Rita,” Centro di Scienze Naturali, Via di Galceti, 74, 59100 Prato, Italy 3 Institute for Theoretical Physics and Advanced Mathematics (IFM) Einstein-Galilei, Via Santa Gonda 14, 59100 Prato ...
Xiaoxiong Zeng   +2 more
openaire   +2 more sources

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