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Related papers: Fundamental Concepts

200 papers

Currently available information on fast variability of the X-ray emission from accreting collapsed objects constitutes a complex phenomenology which is difficult to interpret. We review the current observational standpoint for black-hole…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Tomaso M. Belloni , Luigi Stella

Aspects of primordial black holes, i.e. black holes formed in the early Universe, are reviewed. Special emphasis is put on their formation, their role as dark matter candidates and their manifold signatures, particularly through…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-25 Albert Escrivà , Florian Kuhnel , Yuichiro Tada

I present an elementary primer of black hole physics, including its general relativity basis, all peppered with astrophysical illustrations. Following a brief review of the process stellar collapse to a black hole, I discuss the…

Astrophysics · Physics 2007-05-23 Jacob D. Bekenstein

This work is devoted to the study of some important questions in general relativity. They include topics related to astrophysical shock waves, impulsive signals, gravitational memory effect, black hole geometries and integrable systems…

High Energy Physics - Theory · Physics 2019-08-08 Hovhannes Demirchian

Fundamental fields are a natural outcome in cosmology and particle physics and might therefore serve as a proxy for more complex interactions. The equivalence principle implies that all forms of matter gravitate, and one therefore expects…

General Relativity and Quantum Cosmology · Physics 2014-05-28 Hirotada Okawa , Helvi Witek , Vitor Cardoso

The theory of General Relativity has successfully passed a large number of observational tests. The theory has been extensively tested in the weak-field regime with experiments in the Solar System and observations of binary pulsars.…

High Energy Astrophysical Phenomena · Physics 2023-02-14 Dimitry Ayzenberg , Cosimo Bambi

Recent work on the dyadosphere of a black hole is reviewed with special emphasis on the explanation of gamma ray bursts. A change of paradigm in the observations of black holes is presented.

Astrophysics · Physics 2009-10-31 Remo Ruffini

Electromagnetic observations have been used over the past decades to understand the nature of black holes and the material around them. Our ability to learn about the fundamental physics relies on our understanding of two key ingredients in…

General Relativity and Quantum Cosmology · Physics 2019-07-24 Alejandro Cardenas-Avendano , Jaxen Godfrey , Nicolas Yunes , Anne Lohfink

This is a brief review of critical phenomena in gravitational collapse. The conceptual issues are emphasized and some directions for future research are suggested. The paper is not addressed to the experts in the field -- for them little…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Piotr Bizoń

The purpose of this chapter is to provide an overview of the exciting field of black hole quasi-normal modes and its capabilities to test general relativity in the 21st century. After motivating this line of research, we provide a…

General Relativity and Quantum Cosmology · Physics 2023-05-04 Nicola Franchini , Sebastian H. Völkel

The theory of General Relativity has successfully passed a large number of observational tests. The theory has been extensively tested in the weak-field regime with experiments in the Solar System and observations of binary pulsars. The…

General Relativity and Quantum Cosmology · Physics 2021-03-23 Cosimo Bambi

This chapter gives an overview of the quantum aspects of black holes, focusing on the black hole information problem, the counting of black hole entropy in string theory, and the emergence of spacetime in holography. It is aimed at a broad…

General Relativity and Quantum Cosmology · Physics 2023-04-21 Daniel Harlow

I survey the physics of black holes in two and three spacetime dimensions, with special attention given to an understanding of their exterior and interior properties.

General Relativity and Quantum Cosmology · Physics 2016-08-31 R. B. Mann

Normal galaxies are faint and complex X-ray sources that provide very powerful probes for fundamental astrophysical questions. Examples include: the study of populations of X-ray emitting sources; the study of the entire spectrum of…

Astrophysics · Physics 2007-05-23 G. Fabbiano

The characteristic and distinctive features of the visibility amplitude of interferometric observations for compact objects like stars in the immediate vicinity of the central black hole in our Galaxy are considered. These features are…

Astrophysics of Galaxies · Physics 2016-07-20 Alexander Shatskiy , Yu. Yu. Kovalev , I. D. Novikov

The possible existence of black holes has fascinated scientists at least since Michell and Laplace's proposal that a gravitating object could exist from which light could not escape. In the 20th century, in light of the general theory of…

General Relativity and Quantum Cosmology · Physics 2008-11-15 A. DeBenedictis

General relativity has passed all solar system experiments and neutron star based tests, such as binary pulsar observations, with flying colors. A more exotic arena for testing general relativity is in systems that contain one or more black…

General Relativity and Quantum Cosmology · Physics 2016-02-19 Kent Yagi , Leo C. Stein

This is a review of current black-hole theory, concentrating on local, dynamical aspects.

General Relativity and Quantum Cosmology · Physics 2007-05-23 Sean A. Hayward

The theory of General Relativity has successfully passed a large number of observational tests. The theory has been extensively tested in the weak-field regime with experiments in the Solar System and observations of binary pulsars. The…

General Relativity and Quantum Cosmology · Physics 2026-01-30 Cosimo Bambi

Although black holes are objects of central importance across many fields of physics, there is no agreed upon definition for them, a fact that does not seem to be widely recognized. Physicists in different fields conceive of and reason…

History and Philosophy of Physics · Physics 2019-03-07 Erik Curiel