Regularized Quantum Gravity and String Theory PDF Download
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Author: J. (Kbh. Univ. Niels Bohr Institutet) Ambjørn
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: J. (Kbh. Univ. Niels Bohr Institutet) Ambjørn
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Massimo Bianchi
Publisher: World Scientific
ISBN: 9814554030
Category :
Languages : en
Pages : 546
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Book Description
String theory is the candidate for the unification of all fundamental interactions including gravity. In the past few years this active field of research has developed very rapidly and in several different directions. The aim of the conference is to give an overview of the status of the art in string theory through the contributions of the major experts in this field. The main topics include: string unification and effective Lagrangians, N=2 string theories, 2-d quantum gravity, stringy black holes, topological field theory, conformal field theories, strings and quantum field theory.
Author: Balungi Francis
Publisher: Bill Stone Services
ISBN: 9781393770701
Category : Science
Languages : en
Pages : 140
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Book Description
The Standard Model is inconsistent with that of general relativity, to the point that one or both theories break down under certain conditions (for example within known space time singularities like the Big Bang and the centers of black holes beyond the event horizon). The appearance of singularities in any physical theory is an indication that something is wrong and that there is a need for new physics. Singularities can be avoided in GR and any field theory through the introduction of an efficient regularization procedure as this book directs. Regularization is a method of modifying observables which have singularities in order to make them finite by the introduction of a suitable parameter called regulator. The regulator, also known as a "cutoff", models our lack of knowledge about physics at unobserved scales (e.g. scales of small size or large energy levels). It compensates for the possibility that "new physics" (beyond the SM) may be discovered at those scales which the present theory is unable to model, while enabling the current theory to give accurate predictions as an "effective theory" within its intended scale of use. Therefore the main objective of this book is to discover new physics (Quantum Gravity) at those scales (or extra dimensions) which the General relativity theory and Quantum mechanics is unable to model. This has been achieved and remains the work of an experimenter to verify. While this is a new approach to quantum gravity, it reproduces the results in loop quantum gravity and string theory as the book indicates. This book provides a complete overview of quantum gravity from the frontiers of theoretical physics research for graduate students and researchers.
Author: Joseph Conlon
Publisher: CRC Press
ISBN: 1482242494
Category : Mathematics
Languages : en
Pages : 256
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Book Description
Physics World's 'Book of the Year' for 2016 An Entertaining and Enlightening Guide to the Who, What, and Why of String Theory, now also available in an updated reflowable electronic format compatible with mobile devices and e-readers. During the last 50 years, numerous physicists have tried to unravel the secrets of string theory. Yet why do these scientists work on a theory lacking experimental confirmation? Why String Theory? provides the answer, offering a highly readable and accessible panorama of the who, what, and why of this large aspect of modern theoretical physics. The author, a theoretical physics professor at the University of Oxford and a leading string theorist, explains what string theory is and where it originated. He describes how string theory fits into physics and why so many physicists and mathematicians find it appealing when working on topics from M-theory to monsters and from cosmology to superconductors.
Author: Tomás Ortín
Publisher: Cambridge University Press
ISBN: 1316239578
Category : Science
Languages : en
Pages : 1043
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Book Description
Self-contained and comprehensive, this definitive new edition of Gravity and Strings is a unique resource for graduate students and researchers in theoretical physics. From basic differential geometry through to the construction and study of black-hole and black-brane solutions in quantum gravity - via all the intermediate stages - this book provides a complete overview of the intersection of gravity, supergravity, and superstrings. Now fully revised, this second edition covers an extensive array of topics, including new material on non-linear electric-magnetic duality, the electric-tensor formalism, matter-coupled supergravity, supersymmetric solutions, the geometries of scalar manifolds appearing in 4- and 5-dimensional supergravities, and much more. Covering reviews of important solutions and numerous solution-generating techniques, and accompanied by an exhaustive index and bibliography, this is an exceptional reference work.
Author: Robbert Dijkgraaf
Publisher: World Scientific
ISBN: 9814566675
Category :
Languages : en
Pages : 351
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Book Description
Contents:Black Hole Evaporation and Quantum Gravity (K Schoutens et al.)A String Project in Multicolor QCD (V Kazakov)Matrix Models and String Theory (K Demeterfi & I Klebanov)Developments in 2D String Theory (A Jevicki)Exact Results for Two-Dimensional N = 2 Supersymmetric Theories — An Introduction to the tt∗ Equations (S Cecotti)Perturbative Topological Field Theory (R Dijkgraaf)Barriers in Quantum Gravity (J Ambjørn)Two-Dimensional Black Hole and Nonperturbative String Theory (A Dhar)U(N) Gauge Theory and Lattice Strings (I K Kostov)Quantization of Mirror Symmetry (H Ooguri)W-Strings 93 (C N Pope)Applications of O(d,d) Transformations to Generate New Geometries (S P Khastgir & J Maharana) Readership: High energy physicists. keywords:
Author: David J Gross
Publisher: World Scientific
ISBN: 9814556300
Category :
Languages : en
Pages : 256
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Book Description
In the past few years there has been much study of random two dimensional surfaces. These provide simple models of string theories with a few degrees of freedom, as well as toy models of quantum gravity. They have possible applications to the statistical mechanics of phase boundaries and to the development of an effective string description of QCD.Recently, methods have been developed to treat these theories nonperturbatively, based on discrete triangulations of the surfaces that can be generated by simple matrix models. Exact solutions with a rich mathematical structure have emerged. All these matters are discussed fully in this book.
Author: Bertfried Fauser
Publisher: Springer Science & Business Media
ISBN: 3764379782
Category : Science
Languages : en
Pages : 343
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Book Description
This book provides the reader with an overview of the different mathematical attempts to quantize gravity written by leading experts in this field. Also discussed are the possible experimental bounds on quantum gravity effects. The contributions have been strictly refereed and are written in an accessible style. The present volume emerged from the 2nd Blaubeuren Workshop "Mathematical and Physical Aspects of Quantum Gravity".
Author: Richard Dawid
Publisher: Cambridge University Press
ISBN: 1107067588
Category : Science
Languages : en
Pages : 213
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Book Description
String theory has played a highly influential role in theoretical physics for nearly three decades and has substantially altered our view of the elementary building principles of the Universe. However, the theory remains empirically unconfirmed, and is expected to remain so for the foreseeable future. So why do string theorists have such a strong belief in their theory? This book explores this question, offering a novel insight into the nature of theory assessment itself. Dawid approaches the topic from a unique position, having extensive experience in both philosophy and high-energy physics. He argues that string theory is just the most conspicuous example of a number of theories in high-energy physics where non-empirical theory assessment has an important part to play. Aimed at physicists and philosophers of science, the book does not use mathematical formalism and explains most technical terms.
Author: Antonino Zichichi
Publisher: World Scientific
ISBN: 9814553980
Category :
Languages : en
Pages : 606
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Book Description
The papers in this volume provide an updated status of the last developments and current problems in string theory in connection with gravity and the physics at the Planck scale. This volume also contains excellent discussions on fundamental problems of quantum gravity and the physics at the Planck energy scale in the present-day context, irrespective of strings or any other models.
