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Author : Clarence A. Gall
Publisher :
ISBN 13 : 9780533066841
Total Pages : 99 pages
Book Rating : 4.40/5 ( download)
Download or read book Matter, Gravity and Spin written by Clarence A. Gall and published by . This book was released on 1987 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gaetano Lambiase
Publisher : Springer Nature
ISBN 13 : 3030847713
Total Pages : 201 pages
Book Rating : 4.15/5 ( download)
Download or read book The Interaction of Spin with Gravity in Particle Physics written by Gaetano Lambiase and published by Springer Nature. This book was released on 2021-09-27 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book seeks to present a new way of thinking about the interaction of gravitational fields with quantum systems. Despite the massive amounts of research and experimentation, the myriad meetings, seminars and conferences, all of the articles, treatises and books, and the seemingly endless theorization, quantization and just plain speculation that have been engaged in regarding our evolving understanding of the quantum world, that world remains an enigma, even to the experts. The usefulness of general relativity in this regard has proven to be imperfect at best, but there is a new approach. We do not simply have to accept the limitations of Einstein's most celebrated theorem in regard to quantum theory; we can also embrace them, and thereby utilize them, to reveal new facts about the behavior of quantum systems within inertial and gravitational fields, and therefore about the very structure of space–time at the quantum level. By taking existing knowledge of the essential functionality of spin (along with the careful identification of the omnipresent inertial effects) and applying it to the quantum world, the book gives the reader a much clearer picture of the difference between the classical and quantum behaviors of a particle, shows that Einstein's ideas may not be as incompatible within this realm as many have come to believe, sparks new revelations of the way in which gravity affects quantum systems and brings a new level of efficiency—quantum efficiency, if you will—to the study of gravitational theory.
Author : Venzo De Sabbata
Publisher : World Scientific
ISBN 13 : 9789810217662
Total Pages : 336 pages
Book Rating : 4.68/5 ( download)
Download or read book Spin and Torsion in Gravitation written by Venzo De Sabbata and published by World Scientific. This book was released on 1994 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an exposition of both the old and new results of spin and torsion effects on gravitational interactions with implications for particle physics, cosmology etc. Physical aspects are stressed and measurable effects in relation to other areas of physics are discussed.Among the topics discussed are: alternative ways of unifying gravity with electroweak and strong interactions by an energy dependent spin torsion coupling constant; the idea that all interactions can be understood as originating from spin curvature coupling; the possibility of cosmological models with torsion providing a solution to the cosmological constant problem; and a demonstration that torsion can lead directly to the quantization of space-time itself.
Author : Venzo De Sabbata
Publisher : World Scientific
ISBN 13 : 9814544922
Total Pages : 274 pages
Book Rating : 4.24/5 ( download)
Download or read book Spin In Gravity - Is It Possible To Give An Experimental Basis To Torsion? written by Venzo De Sabbata and published by World Scientific. This book was released on 1998-07-08 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: The introduction of spin is believed to be a necessary tool if one wishes to quantize general relativity. Then the main problem is to see if the introduction of spin generalizing the general relativity from a geometric point of view, i.e. through the concept of torsion, can be experimentally verified.The reader can find in this book both theoretical and experimental arguments which show the necessity for the introduction of spin, and then of torsion, in gravity. In fact, torsion constitutes the more natural and simple way to introduce spin in general relativity. For that reason it is of fundamental importance to see if there are some experiences that indicate — if not directly, then at least indirectly — the presence of torsion. This book presents a discussion on experiments with a polarized-mass torsion pendulum, the search for galactic dark matter interacting with a spin pendulum, a description of a space-based method for determination of the gravitational constant and space-based measurements of spin in gravity, as well as a discussion on theoretical arguments, for instance the nature of torsion and nonmetricity, the viability of gravitational theories with spin-torsion and spin-spin interaction, many-dimensional gravitational theories with torsion, spinors on curved spaces, the spinors in real space-time, etc.We know that until now there has been no evidence for torsion, but this fact cannot prevent us from considering in some detail this implement of research that seems to be important from both a geometrical and a physical point of view.
Author : Eric Justin Perlmutter
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.17/5 ( download)
Download or read book Spacetime and Matter in Three-dimensional Higher Spin Gravity written by Eric Justin Perlmutter and published by . This book was released on 2012 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: We investigate the physical content of three-dimensional higher spin gravity, a sophisticated toy model of high energy string theory. Starting from spin-3 gravity and working our way toward the theory of an infinite tower of higher spins coupled to matter, we show how to use higher spin gauge invariance to consistently generalize ordinary conceptions of black holes. We also consider the dynamics of scalar fields in nontrivial higher spin backgrounds. In view of the AdS/CFT correspondence as applied to certain vector-like conformal field theories with extended conformal symmetry, we make several successful comparisons of bulk and boundary computations.
Author : Daniele Oriti
Publisher : Cambridge University Press
ISBN 13 : 0521860458
Total Pages : 605 pages
Book Rating : 4.51/5 ( 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 : Luca Fabbri
Publisher : Mdpi AG
ISBN 13 : 9783036579832
Total Pages : 0 pages
Book Rating : 4.34/5 ( download)
Download or read book Torsion-Gravity and Spinors in Fundamental Theoretical Physics written by Luca Fabbri and published by Mdpi AG. This book was released on 2023-06-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Einstein's theory of gravitation is perhaps one of the best-established theories ever conceived. However, it is based on the hypothesis that space-time carries curvature alone, leaving torsion out. Because torsion is a natural part of the most general geometric background in which Einstein gravity is built, it is all too natural that the torsional completion of gravity should be considered. Constructing an underlying stage in which both curvature and torsion are present, the fact that curvature couples with energy suggests that torsion may couple with spin, which is the other conserved quantity in quantum field theory. Torsion-gravity with spinning matter is, therefore, a complete and self-consistent setting for modern physics, with potential applications wherever spin effects may be important, stretching from quantum mechanics to the standard models of particle physics and early cosmology. However, this fact is not as present in today's literature as it might be. The scope of the present collection of papers is to consolidate the wisdom of various experts in the field so as to clarify the present status of torsion in gravity and spin in quantum field theory.
Author : H.C. Huang
Publisher : Xlibris Corporation
ISBN 13 : 1456805045
Total Pages : 103 pages
Book Rating : 4.43/5 ( download)
Download or read book Branes of Gravity written by H.C. Huang and published by Xlibris Corporation. This book was released on 2011-01-07 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Branes of Gravity: The Structure of Gravitational Force, a new title by H. C. Huang, builds on the author’s earlier volume, A Simple Unified Theory: From Magnetism to Gravity. The author disagrees with some of the current beliefs in theoretical physics. For example, it is commonly believed that a perpetual machine is impossible. But this author thinks that our entire universe, galaxies, solar systems, and atoms are all, in effect, perpetual machines, whose motion still energizes everything we can sense. Based on the synthesis of discoveries in this book and the previous volume—covering such topics as how gravity and inertia differ, the Moon-Earth relationship, and applications of the neutral charge field—Huang discusses their implications for re-evaluating the structure and future understanding of physical nature and phenomena of particle universes.
Author : Peter G. Bergmann
Publisher : Springer Science & Business Media
ISBN 13 : 1461331234
Total Pages : 508 pages
Book Rating : 4.30/5 ( download)
Download or read book Cosmology and Gravitation written by Peter G. Bergmann and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the Sixth Course of the International School of Cosmology and Gravitation of the "Ettore Maj orana" Centre for Scientific Cul ture we choose as the principal topics torsion and supergravity, because in our opinion it is one of the principal tasks of today's theoretical physics to attempt to link together the theory of ele mentary particles and general relativity. Our aim was to delineate the present status of the principal efforts directed toward this end, and to explore possible directions of work in the near future. Efforts to incorporate spin as a dynamic variable into the foundations of the theory of gravitation were poineered by E. Cartan, whose contributions to this problem go back half a century. Accord ing to A. Trautman this so-called Einstein-Cartan theory is the sim plest and most natural modification of Einstein's 1916 theory. F. Hehl has contributed a very detailed and comprehensive analysis of this topic, original view of non-Riemannian space-time. Characteristic of Einstein-Cartan theories is the enrichment of Riemannian geometry by torsion, the non-symmetric part of the otherwise metric-compatible affine connection. Torsion has a impact on the theory of elementary particles. According to V. de Sabbata, weak interactions can be based on the Einstein-Cartan geometry, in that the Lagrangian describing weak interactions and torsion inter- action possess analogous structures, leading to a unification of weak and gravitational forces.
Author : S. W. Hawking
Publisher : CUP Archive
ISBN 13 : 9780521239080
Total Pages : 552 pages
Book Rating : 4.87/5 ( download)
Download or read book Superspace and Supergravity written by S. W. Hawking and published by CUP Archive. This book was released on 1981-04-30 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
