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Related papers: Black holes: new horizons

200 papers

A detailed description of how black holes grow in full, non-linear general relativity is presented. The starting point is the notion of dynamical horizons. Expressions of fluxes of energy and angular momentum carried by gravitational waves…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Abhay Ashtekar , Badri Krishnan

We summarize the state of the art of the ``close approximation'' to black hole collisions. We discuss results to first and second order in perturbation theory for head-on collisions of momentarily-stationary and non-stationary black holes…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Jorge Pullin

Lecture notes for a 'Part III' course 'Black Holes' given in DAMTP, Cambridge. The course covers some of the developments in Black Hole physics of the 1960s and 1970s.

General Relativity and Quantum Cosmology · Physics 2009-09-25 P. K. Townsend

This is a brief introduction to quantum aspects of black holes, addressed at an astrophysics-oriented audience. The topics are: The laws of black-hole mechanics, Hawking radiation, interpretation of entropy, and primordial black holes.

Astrophysics · Physics 2007-05-23 Claus Kiefer

We discuss some thermodynamical definitions for black holes in modified theories of gravity.

General Relativity and Quantum Cosmology · Physics 2018-01-17 Lorenzo Sebastiani

Various assumptions underlying the uniqueness theorems for black holes are discussed. Some new results are described, and various unsatisfactory features of the present theory are stressed.

General Relativity and Quantum Cosmology · Physics 2011-07-19 Piotr T. Chrusciel

I discuss several general-relativistic effects that are likely to be of interest in the astrophysics of black holes and neutron stars

Astrophysics · Physics 2007-05-23 Jean-Pierre Lasota

Quantum considerations have led many theorists to believe that classical black hole physics is modified not just deep inside black holes but at {\it horizon scales}, or even further outward. The near-horizon regime has just begun to be…

General Relativity and Quantum Cosmology · Physics 2016-11-14 Steven B. Giddings

We review the recent noticeable progresses in black hole physics focusing on the up-coming super-collider, the LHC. We discuss the classical formation of black holes by particle collision, the greybody factors for higher dimensional…

High Energy Physics - Phenomenology · Physics 2009-02-02 Seong Chan Park

Over the past three decades, black holes have played an important role in quantum gravity, mathematical physics, numerical relativity and gravitational wave phenomenology. However, conceptual settings and mathematical models used to discuss…

General Relativity and Quantum Cosmology · Physics 2015-06-25 Abhay Ashtekar , Badri Krishnan

Black holes are often characterized by event horizons, following the literature that laid the mathematical foundations of the subject in the 1970s. However black hole event horizons have two fundamental conceptual limitations. First, they…

General Relativity and Quantum Cosmology · Physics 2023-08-21 Abhay Ashtekar

Recent astronomical data on Black hole observations are reviewed. The arguments in favor that the observed black holes are predominantly primordial (PBH) are presented. The mass spectrum of PBH is best fit to the log-normal one. A model of…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-03 A. D. Dolgov

We review the work going on in black-hole physics during the last ten years, called the Choptuik Phenomenon.

General Relativity and Quantum Cosmology · Physics 2007-05-23 M. Hortacsu

Black holes have often provided profound insights into the nature of gravity and the structure of space-time. The study of the mathematical properties of black objects is a major research theme of contemporary theoretical physics. This…

High Energy Physics - Theory · Physics 2019-05-14 Sudipta Sarkar

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

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

We have developed a powerful and efficient method for locating the event horizon of a black hole spacetime, making possible the study of the dynamics of event horizons in numerical relativity. We describe the method and apply it to a…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Peter Anninos , David Bernstein , Steven Brandt , Joan Masso , Edward Seidel , Larry Smarr , Wai-Mo Suen , Paul Walker

One of the most dramatic consequences of low-scale (~1 TeV) quantum gravity in models with large or warped extra dimension(s) is copious production of mini black holes at future colliders and in ultra-high-energy cosmic ray collisions.…

High Energy Physics - Phenomenology · Physics 2015-06-25 Greg Landsberg

We argue that the main feature behind novel properties of higher-dimensional black holes, compared to four-dimensional ones, is that their horizons can have two characteristic lengths of very different size. We develop a long-distance…

High Energy Physics - Theory · Physics 2014-11-18 Roberto Emparan , Troels Harmark , Vasilis Niarchos , Niels A. Obers

In this essay we introduce a theoretical framework designed to describe black hole dynamics. The difficulties in understanding such dynamics stems from the proliferation of scales involved when one attempts to simultaneously describe all of…

High Energy Physics - Theory · Physics 2008-11-26 Walter D. Goldberger , Ira Z. Rothstein