Gravitational Collapse And Spacetime Singularities

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Gravitational Collapse and Spacetime Singularities

Pankaj S. Joshi
Gravitational Collapse and Spacetime Singularities Book PDF

Author : Pankaj S. Joshi
Publisher : Cambridge University Press
Page : 284 pages
File Size : 40,5 Mb
Release : 2007-12-13
Category : Science
ISBN : 0521871042

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Gravitational Collapse and Spacetime Singularities by Pankaj S. Joshi Pdf

Physical phenomena in astrophysics and cosmology involve gravitational collapse in a fundamental way. The final fate of a massive star when it collapses under its own gravity at the end of its life cycle is one of the most important questions in gravitation theory and relativistic astrophysics, and is the foundation of black hole physics. General relativity predicts that continual gravitational collapse gives rise to a space-time singularity. Quantum gravity may take over in such regimes to resolve the classical space-time singularity. This book, first published in 2007, investigates these issues, and shows how the visible ultra-dense regions arise naturally and generically as an outcome of dynamical gravitational collapse. It will be of interest to graduate students and academic researchers in gravitation physics, fundamental physics, astrophysics, and cosmology. It includes a detailed review of research into gravitational collapse, and several examples of collapse models are investigated in detail.

New Frontiers in Gravitational Collapse and Spacetime Singularities

Daniele Malafarina,Pankaj S. Joshi
New Frontiers in Gravitational Collapse and Spacetime Singularities Book PDF

Author : Daniele Malafarina,Pankaj S. Joshi
Publisher : Springer
Page : 0 pages
File Size : 54,6 Mb
Release : 2024-05-21
Category : Science
ISBN : 9819711711

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New Frontiers in Gravitational Collapse and Spacetime Singularities by Daniele Malafarina,Pankaj S. Joshi Pdf

The book collects a series of articles to review the advances that have been made in the field of gravitational collapse in general relativity and alternative theories of gravity in the past few years. Many approaches to black hole and singularity formation in general relativity and beyond have been proposed over the last few decades. The importance of collapse models is that they provide natural thought experiments where to test the behavior and properties of a variety of approaches to general relativity and its implications for ultra-compact objects in the universe.

Topics On Strong Gravity: A Modern View On Theories And Experiments

Cesar Augusto Zen Vasconcellos
Topics On Strong Gravity A Modern View On Theories And Experiments Book PDF

Author : Cesar Augusto Zen Vasconcellos
Publisher : World Scientific
Page : 299 pages
File Size : 51,7 Mb
Release : 2019-12-26
Category : Science
ISBN : 9789813277359

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Topics On Strong Gravity: A Modern View On Theories And Experiments by Cesar Augusto Zen Vasconcellos Pdf

'The book concentrates attention on extended alternative theories of gravity and on the best astrophysical laboratories to probe the strong gravity-field regime: black holes, pulsars and neutron stars … Readers will likely share the satisfaction the editor and contributors say they experienced as they organized the book.'SirReadaLotFor more than a century, our understanding of gravitational physics was based on Albert Einstein's theory of General Relativity, which fundamentally changed our understanding of the Universe, its origin, and its evolutionary process. General Relativity accurately describes a large number of phenomena on very different scales. As such, it has been very well tested and its remarkable predictions are compatible with most experimental and observational data. However, the observational and experimental results compatible with General Relativity fall in its vast majority under the weak gravitational field regime. In recent years, discrepancies between the data and the corresponding predictions of General Relativity have been observed and have generated intense research activity. One of the most critical aspects of General Relativity is the presence of singularities in extreme physical situations. These discrepancies indicate that either the parameters of the theory must be modified in the regime of strong field gravity/high energy and large space-time curvature, or the theory itself should be modified. In this book, we focus our attention on extended alternative gravity theories and the best astrophysical laboratories to probe the strong field regime: black holes, pulsars, and neutron stars.

The Large Scale Structure of Space-Time

S. W. Hawking,G. F. R. Ellis
The Large Scale Structure of Space Time Book PDF

Author : S. W. Hawking,G. F. R. Ellis
Publisher : Cambridge University Press
Page : 128 pages
File Size : 54,5 Mb
Release : 1975-02-27
Category : Science
ISBN : 9781139810951

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The Large Scale Structure of Space-Time by S. W. Hawking,G. F. R. Ellis Pdf

Einstein's General Theory of Relativity leads to two remarkable predictions: first, that the ultimate destiny of many massive stars is to undergo gravitational collapse and to disappear from view, leaving behind a 'black hole' in space; and secondly, that there will exist singularities in space-time itself. These singularities are places where space-time begins or ends, and the presently known laws of physics break down. They will occur inside black holes, and in the past are what might be construed as the beginning of the universe. To show how these predictions arise, the authors discuss the General Theory of Relativity in the large. Starting with a precise formulation of the theory and an account of the necessary background of differential geometry, the significance of space-time curvature is discussed and the global properties of a number of exact solutions of Einstein's field equations are examined. The theory of the causal structure of a general space-time is developed, and is used to study black holes and to prove a number of theorems establishing the inevitability of singualarities under certain conditions. A discussion of the Cauchy problem for General Relativity is also included in this 1973 book.

The Story of Collapsing Stars

Pankaj S. Joshi
The Story of Collapsing Stars Book PDF

Author : Pankaj S. Joshi
Publisher : Oxford University Press, USA
Page : 241 pages
File Size : 51,9 Mb
Release : 2015
Category : Science
ISBN : 9780199686766

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The Story of Collapsing Stars by Pankaj S. Joshi Pdf

This book journeys into one of the most fascinating intellectual adventures of recent decades - understanding and exploring the final fate of massive collapsing stars in the universe. The issue is of great interest in fundamental physics and cosmology today, from both the perspective of gravitation theory and of modern astrophysical observations. This is a revolution in the making and may be intimately connected to our search for a unified understanding of the basic forces of nature, namely gravity that governs the cosmological universe, and the microscopic forces that include quantum phenomena. According to the general theory of relativity, a massive star that collapses catastrophically under its own gravity when it runs out of its internal nuclear fuel must give rise to a space-time singularity. Such singularities are regions in the universe where all physical quantities take their extreme values and become arbitrarily large. The singularities may be covered within a black hole, or visible to faraway observers in the universe. Thus, the final fate of a collapsing massive star is either a black hole or a visible naked singularity. We discuss here recent results and developments on the gravitational collapse of massive stars and possible observational implications when naked singularities happen in the universe. Large collapsing massive stars and the resulting space-time singularities may even provide a laboratory in the cosmos where one could test the unification possibilities of basic forces of nature.

Spacetime and Geometry

Sean M. Carroll
Spacetime and Geometry Book PDF

Author : Sean M. Carroll
Publisher : Cambridge University Press
Page : 529 pages
File Size : 42,7 Mb
Release : 2019-08-08
Category : Science
ISBN : 9781108488396

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Spacetime and Geometry by Sean M. Carroll Pdf

An accessible introductory textbook on general relativity, covering the theory's foundations, mathematical formalism and major applications.

Regular Black Holes

Cosimo Bambi
Regular Black Holes Book PDF

Author : Cosimo Bambi
Publisher : Springer Nature
Page : 505 pages
File Size : 48,8 Mb
Release : 2023-07-06
Category : Science
ISBN : 9789819915965

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Regular Black Holes by Cosimo Bambi Pdf

Black holes are one of the most fascinating predictions of general relativity. They are the natural product of the complete gravitational collapse of matter and today we have a body of observational evidence supporting the existence of black holes in the Universe. However, general relativity predicts that at the center of black holes there are spacetime singularities, where predictability is lost and standard physics breaks down. It is widely believed that spacetime singularities are a symptom of the limitations of general relativity and must be solved within a theory of quantum gravity. Since we do not have yet any mature and reliable candidate for a quantum gravity theory, researchers have studied toy-models of singularity-free black holes and of singularity-free gravitational collapses in order to explore possible implications of the yet unknown theory of quantum gravity. This book reviews all main models of regular black holes and non-singular gravitational collapses proposed in the literature, and discuss the theoretical and observational implications of these scenarios.

Space, Time, and Gravity

Robert M. Wald
Space Time and Gravity Book PDF

Author : Robert M. Wald
Publisher : University of Chicago Press
Page : 176 pages
File Size : 55,6 Mb
Release : 1992-05
Category : Science
ISBN : 0226870286

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Space, Time, and Gravity by Robert M. Wald Pdf

Writing for the general reader or student, Wald has completely revised and updated this highly regarded work to include recent developments in black hole physics and cosmology. Nature called the first edition "a very readable and accurate account of modern relativity physics for the layman within the unavoidable constraint of almost no mathematics. . . . A well written, entertaining and authoritative book."

Beyond Spacetime

Nick Huggett,Keizo Matsubara,Christian Wüthrich
Beyond Spacetime Book PDF

Author : Nick Huggett,Keizo Matsubara,Christian Wüthrich
Publisher : Cambridge University Press
Page : 371 pages
File Size : 45,8 Mb
Release : 2020-05-14
Category : Philosophy
ISBN : 9781108477024

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Beyond Spacetime by Nick Huggett,Keizo Matsubara,Christian Wüthrich Pdf

A collection of essays discussing the philosophy and foundations of quantum gravity. Written by leading philosophers and physicists in the field, chapters cover the important conceptual questions in the search for a quantum theory of gravity, and the current state of understanding among philosophers and physicists.

Internal Structure of Black Holes and Spacetime Singularities

Lior M. Burko,Amos Ori
Internal Structure of Black Holes and Spacetime Singularities Book PDF

Author : Lior M. Burko,Amos Ori
Publisher : Institute of Physics Publishing (GB)
Page : 552 pages
File Size : 40,9 Mb
Release : 1997
Category : Science
ISBN : UOM:39015050283228

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Internal Structure of Black Holes and Spacetime Singularities by Lior M. Burko,Amos Ori Pdf

The physics of black holes and spacetime singularities is now a well established area of research in gravitation theory. Over recent years researchers have begun to study the internal structure of black holes and spacetime singularities. This book is primarily the proceedings of a workshop devoted to the subject. The chapters are mainly written versions of the talks given at the workshop. However, the authors have written extended introductions to their contributions, so that a reader, well versed in gravitation theory, but unaware of the current research in this subfield, should be able to follow the text Several topics are considered by more than one author, bringing into the text different viewpoints on these topics. As a result, this book is suitable for graduate students who wish to familiarize themselves with the various aspects of the structure of black holes, and for researchers who wish to learn about advances in subfields other than their own. Topics covered include: the nature of thesingularities (both null and spacelike) and the spacetime inside black holes coupled to various matter fields in classical and semiclassical gravity, as well as in alternative gravity theories; the cosmic censorship hypothesis and its connection to black hole interiors; cosmological singularities and their relation with black hole singularities; and black hole entropy and evaporation.

Black Holes, Gravitational Radiation and the Universe

Balasubramanian Iyer,B. Bhawal
Black Holes Gravitational Radiation and the Universe Book PDF

Author : Balasubramanian Iyer,B. Bhawal
Publisher : Springer
Page : 570 pages
File Size : 46,8 Mb
Release : 1998-10-31
Category : Science
ISBN : 9780792353089

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Black Holes, Gravitational Radiation and the Universe by Balasubramanian Iyer,B. Bhawal Pdf

Our esteemed colleague C. V. Vishveshwara, popularly known as Vishu, turned sixty on 6th March 1998. His colleagues and well wishers felt that it would be appropriate to celebrate the occasion by bringing out a volume in his honour. Those of us who have had the good fortune to know Vishu, know that he is unique, in a class by himself. Having been given the privilege to be the volume's editors, we felt that we should attempt something different in this endeavour. Vishu is one of the well known relativists from India whose pioneer ing contributions to the studies of black holes is universally recognised. He was a student of Charles Misner. His Ph. D. thesis on the stability of the Schwarzschild black hole, coordinate invariant characterisation of the sta tionary limit and event horizon for Kerr black holes and subsequent seminal work on quasi-normal modes of black holes have passed on to become the starting points for detailed mathematical investigations on the nature of black holes. He later worked on other aspects related to black holes and compact objects. Many of these topics have matured over the last thirty years. New facets have also developed and become current areas of vigorous research interest. No longer are black holes, ultracompact objects or event horizons mere idealisations of mathematical physicists but concrete entities that astrophysicists detect, measure and look for. Astrophysical evidence is mounting up steadily for black holes.

Global Aspects in Gravitation and Cosmology

Pankaj S. Joshi
Global Aspects in Gravitation and Cosmology Book PDF

Author : Pankaj S. Joshi
Publisher : Oxford University Press, USA
Page : 400 pages
File Size : 40,8 Mb
Release : 1993
Category : Astrophysics
ISBN : UCAL:B4520972

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Global Aspects in Gravitation and Cosmology by Pankaj S. Joshi Pdf

This book describes several basic results and applications of global aspects in gravitation theory and cosmology within the framework of Einstein's theory of gravity. Topics include results on the structure and topology of space-time, exact solutions to Einstein equations and singularities, the status of quantum gravity, and quantum effects near space-time singularities in strong curvature fields. Also covered are the global upper limits in cosmology on elementary particle masses which might constitute the dark matter of the universe. After discussing in detail the fundamental role played by global considerations in gravity and general relativity, the author points out the significant problems that remain: the nature and structure of space-time singularities, the cosmic censorship problem in black hole physics, and the issue of quantum effects in strong gravity fields. The author's treatment of gravitational collapse illustrates how powerfully-strong curvature naked singularities could result from the continual gravitational collapse of matter with several reasonable equations of state--including inflowing radiation, dust, or a perfect fluid. Students and mathematicians, astrophysicists, and physicists will find this theoretically rich book a landmark in relativity theory

General Relativity and Gravitation

B. Bertotti,F. de Felice,Alessandro Pascolini
General Relativity and Gravitation Book PDF

Author : B. Bertotti,F. de Felice,Alessandro Pascolini
Publisher : Springer Science & Business Media
Page : 510 pages
File Size : 48,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400964693

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General Relativity and Gravitation by B. Bertotti,F. de Felice,Alessandro Pascolini Pdf

The Tenth International Conference on General Relativity and Gravitation (GR10) was held from July 3 to July 8, 1983, in Padova, Italy. These Conferences take place every three years, under the auspices of the International Society on General Relativity and Gravitation, with the purpose of assessing the current research in the field, critically discussing the prog ress made and disclosing the points of paramount im portance which deserve further investigations. The Conference was attended by about 750 scientists active in the various subfields in which the current research on gravitation and general relativity is ar ticulated, and more than 450 communications were sub mitted. In order to fully exploit this great occur rence of experience and creative capacity, and to pro mote individual contributions to the collective know ledge, the Conference was given a structure of work shops on the most active topics and of general sessions in which the Conference was addressed by invited speakers on general reviews or recent major advance ments of the field. The individual communications were collected in a two-volume publication made available to the participants upon their arrival and widely distributed to Scientific Institutions and Research Centres.

Bangs, Crunches, Whimpers, and Shrieks

John Earman
Bangs Crunches Whimpers and Shrieks Book PDF

Author : John Earman
Publisher : Oxford University Press, USA
Page : 270 pages
File Size : 54,6 Mb
Release : 1995
Category : General relativity (Physics).
ISBN : 9780195095913

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Bangs, Crunches, Whimpers, and Shrieks by John Earman Pdf

Others hoped that peaceful coexistence with singularities could be achieved by proving a form of Roger Penrose's "cosmic censorship" hypothesis, which would place singularities safely inside black holes.

Hawking on the Big Bang and Black Holes

Stephen W. Hawking
Hawking on the Big Bang and Black Holes Book PDF

Author : Stephen W. Hawking
Publisher : World Scientific
Page : 324 pages
File Size : 45,9 Mb
Release : 1993
Category : Science
ISBN : 9810210787

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Hawking on the Big Bang and Black Holes by Stephen W. Hawking Pdf

Stephen Hawking, the Lucasian Professor of Mathematics at Cambridge University, has made important theoretical contributions to gravitational theory and has played a major role in the development of cosmology and black hole physics. Hawking's early work, partly in collaboration with Roger Penrose, showed the significance of spacetime singularities for the big bang and black holes. His later work has been concerned with a deeper understanding of these two issues. The work required extensive use of the two great intellectual achievements of the first half of the Twentieth Century: general relativity and quantum mechanics; and these are reflected in the reprinted articles. Hawking's key contributions on black hole radiation and the no-boundary condition on the origin of the universe are included. The present compilation of Stephen Hawking's most important work also includes an introduction by him, which guides the reader though the major highlights of the volume. This volume is thus an essentialitem in any library and will be an important reference source for those interested in theoretical physics and applied mathematics. It is an excellent thing to have so many of Professor Hawking's most important contributions to the theory of black holes and space-time singularities all collected together in one handy volume. I am very glad to have them". Roger Penrose (Oxford) "This was an excellent idea to put the best papers by Stephen Hawking together. Even his papers written many years ago remain extremely useful for those who study classical and quantum gravity. By watching the evolution of his ideas one can get a very clear picture of the development of quantum cosmology during thelast quarter of this century". Andrei Linde (Stanford) "This review could have been quite short: 'The book contains a selection of 21 of Stephen Hawking's most significant papers with an overview written by the author'. This w