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Author : James Patrick Ryan
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.:/5 (67 download)
Download or read book Coupling Matter to Quantum Gravity in the Group Field Theory Approach written by James Patrick Ryan and published by . This book was released on 2007 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steffen Gielen
Publisher : MDPI
ISBN 13 : 3039361783
Total Pages : 338 pages
Book Rating : 4.0/5 (393 download)
Download or read book Progress in Group Field Theory and Related Quantum Gravity Formalisms written by Steffen Gielen and published by MDPI. This book was released on 2020-07-01 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following the fundamental insights from quantum mechanics and general relativity, geometry itself should have a quantum description; the search for a complete understanding of this description is what drives the field of quantum gravity. Group field theory is an ambitious framework in which theories of quantum geometry are formulated, incorporating successful ideas from the fields of matrix models, ten-sor models, spin foam models and loop quantum gravity, as well as from the broader areas of quantum field theory and mathematical physics. This special issue collects recent work in group field theory and these related approaches, as well as other neighbouring fields (e.g., cosmology, quantum information and quantum foundations, statistical physics) to the extent that these are directly relevant to quantum gravity research.
Author : Daniele Oriti
Publisher : Cambridge University Press
ISBN 13 : 0521860458
Total Pages : 605 pages
Book Rating : 4.5/5 (218 download)
Download or read book Approaches to Quantum Gravity written by Daniele Oriti and published by Cambridge University Press. This book was released on 2009-03-05 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: Containing contributions from leading researchers in this field, this book provides a complete overview of this field from the frontiers of theoretical physics research for graduate students and researchers. It introduces the most current approaches to this problem, and reviews their main achievements.
Author : Poul Henrik Damgaard
Publisher : Springer Science & Business Media
ISBN 13 : 0306470756
Total Pages : 360 pages
Book Rating : 4.3/5 (64 download)
Download or read book New Developments in Quantum Field Theory written by Poul Henrik Damgaard and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum field theory is one of most central constructions in 20th century th- retical physics, and it continues to develop rapidly in many different directions. The aim of the workshop “New Developments in Quantum Field Theory”, which was held in Zakopane, Poland, June 14-20, 1997, was to capture a broad selection of the most recent advances in this field. The conference was sponsored by the Scientific and - vironmental Affairs Division of NATO, as part of the Advanced Research Workshop series. This book contains the proceedings of that meeting. Major topics covered at the workshop include quantized theories of gravity, string theory, conformal field theory, cosmology, field theory approaches to critical phenomena and the renormalization group, matrix models, and field theory techniques applied to the theory of turbulence. One common theme at the conference was the use of large-Nmatrix models to obtain exact results in a variety of different disciplines. For example, it has been known for several years that by taking a suitable double-scaling limit, certain string theories (or two-dimensional quantum gravity coupled to matter) can be re-obtained from the large-Nexpansion of matrix models. There continues to be a large activity in this area of research, which was well reflected by talks given at our workshop. Remarkably, large- Nmatrix models have very recently – just a few months before our meeting – been shown to have yet another deep relation to string theory.
Author : I.L Buchbinder
Publisher : Routledge
ISBN 13 : 1351453823
Total Pages : 432 pages
Book Rating : 4.3/5 (514 download)
Download or read book Effective Action in Quantum Gravity written by I.L Buchbinder and published by Routledge. This book was released on 2017-09-29 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: In part one of Effective Action in Quantum Gravity, the book describes the principles of quantum field theory and the significance of and theory behind effective action. Part two deals with quantum field theory in curved space-time and the effective action. These two parts provide the tools for understanding the rest of the book, which is devoted to selected problems of quantum gravity where the effective action plays a major role. The book assumes only a basic understanding of quantum field theory and general relativity and will be of interest to postgraduate students and researchers in theoretical high-energy physics and gravitational theory.
Author : Steffen Gielen
Publisher :
ISBN 13 : 9783039361793
Total Pages : 338 pages
Book Rating : 4.3/5 (617 download)
Download or read book Progress in Group Field Theory and Related Quantum Gravity Formalisms written by Steffen Gielen and published by . This book was released on 2020 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following the fundamental insights from quantum mechanics and general relativity, geometry itself should have a quantum description; the search for a complete understanding of this description is what drives the field of quantum gravity. Group field theory is an ambitious framework in which theories of quantum geometry are formulated, incorporating successful ideas from the fields of matrix models, ten-sor models, spin foam models and loop quantum gravity, as well as from the broader areas of quantum field theory and mathematical physics. This special issue collects recent work in group field theory and these related approaches, as well as other neighbouring fields (e.g., cosmology, quantum information and quantum foundations, statistical physics) to the extent that these are directly relevant to quantum gravity research.
Author : Orlando Alvarez
Publisher : Springer Science & Business Media
ISBN 13 : 146153772X
Total Pages : 401 pages
Book Rating : 4.4/5 (615 download)
Download or read book Random Surfaces and Quantum Gravity written by Orlando Alvarez and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Cargese Workshop Random Surfaces and Quantum Gravity was held from May 27 to June 2, 1990. Little was known about string theory in the non-perturbative regime before Oetober 1989 when non-perturbative equations for the string partition functions were found by using methods based on the random triangulations of surfaees. This set of methods pro vides a deseription of non-eritical string theory or equivalently of the coupling of matter fields to quantum gravity in two dimensions. The Cargese meeting was very successful in that it provided the first opportunity to gather most of the active workers in the field for a fuH week of lectures and extensive informal discussions about these exeiting new developments. The main results were reviewed, recent advances were explained, new results and conjectures (which appear for the first time in these proceedings) were presented and discussed. Among the most important topics discussed at the workshop were: The relation of KdV theory to loop equations and the Virasoro algebra, new results in Liouville field theory, effective (1 + 1) dimensional theory for 2 - D quantum gravity coupled to c = 1 matter and its fermionization, proposal for a new geometrical interpretation of the string equation and possible definition of quantum Riemann surfaces, discussion of the string equation for the multi-matrix models, links with topological field theories of gravity, issues in using target space supersymmetry to define good theories, definition of the partition function via analytic continuation, new models of random surfaces
Author : Bertfried Fauser
Publisher : Springer Science & Business Media
ISBN 13 : 3764379782
Total Pages : 343 pages
Book Rating : 4.7/5 (643 download)
Download or read book Quantum Gravity written by Bertfried Fauser and published by Springer Science & Business Media. This book was released on 2007-02-15 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Felix Finster
Publisher : Springer Science & Business Media
ISBN 13 : 3034800436
Total Pages : 389 pages
Book Rating : 4.0/5 (348 download)
Download or read book Quantum Field Theory and Gravity written by Felix Finster and published by Springer Science & Business Media. This book was released on 2012-02-08 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most challenging problems of contemporary theoretical physics is the mathematically rigorous construction of a theory which describes gravitation and the other fundamental physical interactions within a common framework. The physical ideas which grew from attempts to develop such a theory require highly advanced mathematical methods and radically new physical concepts. This book presents different approaches to a rigorous unified description of quantum fields and gravity. It contains a carefully selected cross-section of lively discussions which took place in autumn 2010 at the fifth conference "Quantum field theory and gravity - Conceptual and mathematical advances in the search for a unified framework" in Regensburg, Germany. In the tradition of the other proceedings covering this series of conferences, a special feature of this book is the exposition of a wide variety of approaches, with the intention to facilitate a comparison. The book is mainly addressed to mathematicians and physicists who are interested in fundamental questions of mathematical physics. It allows the reader to obtain a broad and up-to-date overview of a fascinating active research area.
Author : M C Bento
Publisher : World Scientific
ISBN 13 : 9814553174
Total Pages : 358 pages
Book Rating : 4.8/5 (145 download)
Download or read book Classical And Quantum Gravity - Proceedings Of The First Iberian Meeting On Gravity written by M C Bento and published by World Scientific. This book was released on 1993-12-22 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of the First Iberian Meeting on Gravity give a broad view of the most recent research on gravity. Black hole thermodynamics, wormhole solutions and covariant path integral quantization are some of the topics discussed. The mainstream approaches to quantum gravity, such as loop space quantization and string theories, are presented. Also included are the trendy subjects of two-dimensional quantum gravity and unitary matrix models.
Author : Christian Pfeifer
Publisher : Springer Nature
ISBN 13 : 3031315200
Total Pages : 557 pages
Book Rating : 4.0/5 (313 download)
Download or read book Modified and Quantum Gravity written by Christian Pfeifer and published by Springer Nature. This book was released on 2023-11-01 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses theoretical predictions and their comparison with experiments of extended and modified classical and quantum theories of gravity. The goal is to provide a readable access and broad overview over different approaches to the topic to graduate and PhD students as well as to young researchers. The book presents both, theoretical and experimental insights and is structured in three parts. The first addresses the theoretical models beyond special and general relativity such as string theory, Poincare gauge theory and teleparallelism as well as Finsler gravity. In turn, the second part is focused on the observational effects that these models generate, accounting for tests and comparisons which can be made on all possible scales: from the universe as a whole via binary systems, stars, black holes, satellite experiments, down to laboratory experiments at micrometer and smaller scales. The last part of this book is dedicated to quantum systems and gravity, showing tests of classical gravity with quantum systems, and coupling of quantum matter and gravity.
Author : Sabine Hossenfelder
Publisher : Springer
ISBN 13 : 3319645374
Total Pages : 121 pages
Book Rating : 4.3/5 (196 download)
Download or read book Experimental Search for Quantum Gravity written by Sabine Hossenfelder and published by Springer. This book was released on 2017-11-15 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes recent developments in the research area of quantum gravity phenomenology. A series of short and nontechnical essays lays out the prospects of various experimental possibilities and their current status. Finding observational evidence for the quantization of space-time was long thought impossible. In the last decade however, new experimental design and technological advances have changed the research landscape and opened new perspectives on quantum gravity. Formerly dominated by purely theoretical constructions, quantum gravity now has a lively phenomenology to offer. From high precision measurements using macroscopic quantum oscillators to new analysis methods of the cosmic microwave background, no stone is being left unturned in the experimental search for quantum gravity. This book sheds new light on the connection of astroparticle physics with the quantum gravity problem. Gravitational waves and their detection are covered. It illustrates findings from the interconnection between general relativity, black holes and Planck stars. Finally, the return on investment in quantum-gravitation research is illuminated. The book is intended for graduate students and researchers entering the field.
Author : Iosif L. Buchbinder
Publisher : Oxford University Press, USA
ISBN 13 : 019883831X
Total Pages : 536 pages
Book Rating : 4.1/5 (988 download)
Download or read book Introduction to Quantum Field Theory with Applications to Quantum Gravity written by Iosif L. Buchbinder and published by Oxford University Press, USA. This book was released on 2021-03 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook presents a detailed introduction to the general concepts of quantum field theory, with special emphasis on principal aspects of functional methods and renormalization in gauge theories, and includes an introduction to semiclassical and perturbative quantum gravity in flat and curved spacetimes.
Author : Ivan G. Avramidi
Publisher : Springer Science & Business Media
ISBN 13 : 3540671552
Total Pages : 153 pages
Book Rating : 4.5/5 (46 download)
Download or read book Heat Kernel and Quantum Gravity written by Ivan G. Avramidi and published by Springer Science & Business Media. This book was released on 2000-03-27 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book tackles quantum gravity via the so-called background field method and its effective action functional. The author presents an explicitly covariant and effective technique to calculate the de Witt coefficients and to analyze the Schwinger-de Wit asymptotic expansion of the effective action. He also investigates the ultraviolet behaviour of higher-derivative quantum gravity. The book addresses theoretical physicists, graduate students as well as researchers, but should also be of interest to physicists working in mathematical or elementary particle physics.
Author : Peter G. Bergmann
Publisher : Springer Science & Business Media
ISBN 13 : 9401003475
Total Pages : 553 pages
Book Rating : 4.4/5 (1 download)
Download or read book Advances in the Interplay Between Quantum and Gravity Physics written by Peter G. Bergmann and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this XVII Course of the International School of Cosmology and Gravitation devoted to "ADVANCES IN THE INTERPLAY BETWEEN QUANTUM AND GRAVITY PHYSICS" we have considered different aspects of the influence of gravity on quantum systems. In order to achieve this aim, in many lectures, seminars and discussions we have strengthened the interplay between gravity and quantum systems starting from the situation in the early universe based on astrophysical observations, up to the earthly based experiments with atom interferometry for probing the structure of space-time. Thus we have had timely lectures on the quantum field and horizon of a black hole including reviews of the problem of black holes thermodynamics and entropy, quantum information, quantum black holes, quantum evaporation and Hawking radiation, recent advances in stockastic gravity. We have also discussed quantum fluctuations in inflationary universe, quantum effects and reheating after inflation, and superplanckian energies in Hawking radiation. In this regard the subject of spinors in purely affine space-time and Dirac matter according to Weyl in the generalized theory of gravitation were developed . The dualism between space-time and matter has been deeply analyzed in order to see why, for general relativity, this is an obstacle for quantization of the theory. Also canonical Gravity and Mach's principle, torsion and curvature as commutator for Quantum Gravity and Dirac Geometry of real space-time were analysed, together with the problem of 5-Dimensional Projective Unified Field theory and Multidimensional Gravity and Cosmology.
Author : Yuki Sato
Publisher : Springer
ISBN 13 : 4431549471
Total Pages : 112 pages
Book Rating : 4.4/5 (315 download)
Download or read book Space-Time Foliation in Quantum Gravity written by Yuki Sato and published by Springer. This book was released on 2014-05-28 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, the author considers quantum gravity to investigate the mysterious origin of our universe and its mechanisms. He and his collaborators have greatly improved the analyticity of two models: causal dynamical triangulations (CDT) and n-DBI gravity, with the space-time foliation which is one common factor shared by these two separate models. In the first part, the analytic method of coupling matters to CDT in 2-dimensional toy models is proposed to uncover the underlying mechanisms of the universe and to remove ambiguities remaining in CDT. As a result, the wave function of the 2-dimensional universe where matters are coupled is derived. The behavior of the wave function reveals that the Hausdorff dimension can be changed when the matter is non-unitary. In the second part, the n-DBI gravity model is considered. The author mainly investigates two effects driven by the space-time foliation: the appearance of a new conserved charge in black holes and an extra scalar mode of the graviton. The former implies a breakdown of the black-hole uniqueness theorem while the latter does not show any pathological behavior.
Author : Edouard B. Manoukian
Publisher : Springer
ISBN 13 : 3319338528
Total Pages : 374 pages
Book Rating : 4.3/5 (193 download)
Download or read book Quantum Field Theory II written by Edouard B. Manoukian and published by Springer. This book was released on 2016-09-26 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book takes a pedagogical approach to explaining quantum gravity, supersymmetry and string theory in a coherent way. It is aimed at graduate students and researchers in quantum field theory and high-energy physics. The first part of the book introduces quantum gravity, without requiring previous knowledge of general relativity (GR). The necessary geometrical aspects are derived afresh leading to explicit general Lagrangians for gravity, including that of general relativity. The quantum aspect of gravitation, as described by the graviton, is introduced and perturbative quantum GR is discussed. The Schwinger-DeWitt formalism is developed to compute the one-loop contribution to the theory and renormalizability aspects of the perturbative theory are also discussed. This follows by introducing only the very basics of a non-perturbative, background-independent, formulation of quantum gravity, referred to as “loop quantum gravity”, which gives rise to a quantization of space. In the second part the author introduces supersymmetry and its consequences. The generation of superfields is represented in detail. Supersymmetric generalizations of Maxwell’s Theory as well as of Yang-Mills field theory, and of the standard model are worked out. Spontaneous symmetry breaking, improvement of the divergence problem in supersymmetric field theory, and its role in the hierarchy problem are covered. The unification of the fundamental constants in a supersymmetric version of the standard model are then studied. Geometrical aspects necessary to study supergravity are developed culminating in the derivation of its full action. The third part introduces string theory and the analysis of the spectra of the mass (squared) operator associated with the oscillating strings. The properties of the underlying fields, associated with massless particles, encountered in string theory are studied in some detail. Elements of compactification, duality and D-branes are given, as well of the generation of vertices and interactions of strings. In the final sections, the author shows how to recover GR and the Yang-Mills field Theory from string theory.
