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Spin And Torsion In Gravitation
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Book Synopsis Spin and Torsion in Gravitation by : Venzo De Sabbata
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.
Book Synopsis Cosmology and Gravitation by : Peter G. Bergmann
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.
Book Synopsis Spin In Gravity - Is It Possible To Give An Experimental Basis To Torsion? by : Venzo De Sabbata
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.
Book Synopsis Spin And Torsion In Gravitation by : Venzo De Sabbata
Download or read book Spin And Torsion In Gravitation written by Venzo De Sabbata and published by World Scientific. This book was released on 1994-08-31 with total page 327 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 :Peter Gabriel Bergmann Publisher :World Scientific Publishing Company Incorporated ISBN 13 :9789810234591 Total Pages :255 pages Book Rating :4.2/5 (345 download)
Book Synopsis Spin in Gravity by : Peter Gabriel Bergmann
Download or read book Spin in Gravity written by Peter Gabriel Bergmann and published by World Scientific Publishing Company Incorporated. This book was released on 1998 with total page 255 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.
Book Synopsis Torsion-Gravity and Spinors in Fundamental Theoretical Physics by : Luca Fabbri
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.
Book Synopsis Spin in Gravity by : Claus Lämmerzahl
Download or read book Spin in Gravity written by Claus Lämmerzahl and published by . This book was released on 1998 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Interaction of Spin with Gravity in Particle Physics by : Gaetano Lambiase
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.
Download or read book Cosmology and Gravitation written by and published by . This book was released on 1980-10-31 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cosmology and Gravitation Spin, Torsion, Rotation, and Supergravity Proceedings of the NATO Advanced Study Institute on Cosmolic by :
Download or read book Cosmology and Gravitation Spin, Torsion, Rotation, and Supergravity Proceedings of the NATO Advanced Study Institute on Cosmolic written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gravitation written by Charles W. Misner and published by Princeton University Press. This book was released on 2017-10-24 with total page 1332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spacetime physics -- Physics in flat spacetime -- The mathematics of curved spacetime -- Einstein's geometric theory of gravity -- Relativistic stars -- The universe -- Gravitational collapse and black holes -- Gravitational waves -- Experimental tests of general relativity -- Frontiers
Book Synopsis Introduction To Gravitation by : Venzo De Sabbata
Download or read book Introduction To Gravitation written by Venzo De Sabbata and published by World Scientific Publishing Company. This book was released on 1986-01-01 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a comprehensive book, easily accessible to those who have a fairly good knowledge of special relativity and electromagnetic theory. It is ideal for introducing students to the study of gravitation and relativity following a modern presentation.
Book Synopsis Geometric Algebra and Applications to Physics by : Venzo de Sabbata
Download or read book Geometric Algebra and Applications to Physics written by Venzo de Sabbata and published by CRC Press. This book was released on 2006-12-07 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bringing geometric algebra to the mainstream of physics pedagogy, Geometric Algebra and Applications to Physics not only presents geometric algebra as a discipline within mathematical physics, but the book also shows how geometric algebra can be applied to numerous fundamental problems in physics, especially in experimental situations. This
Book Synopsis Matter, Gravity and Spin by : Clarence A. Gall
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:
Book Synopsis Teleparallel Gravity by : Ruben Aldrovandi
Download or read book Teleparallel Gravity written by Ruben Aldrovandi and published by Springer Science & Business Media. This book was released on 2012-08-10 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Teleparallel Gravity (TG) is an alternative theory for gravitation, which is equivalent to General Relativity (GR). However, it is conceptually different. For example in GR geometry replaces the concept of force, and the trajectories are determined by geodesics. TG attributes gravitation to torsion, which accounts for gravitation by acting as a force. TG has already solved some old problems of gravitation (like the energy-momentum density of the gravitational field). The interest in TG has grown in the last few years. The book here proposed will be the first one dedicated exclusively to TG, and will include the foundations of the theory, as well as applications to specific problems to illustrate how the theory works.
Book Synopsis Spacetime and Gravitation by : Wojciech Kopczynski
Download or read book Spacetime and Gravitation written by Wojciech Kopczynski and published by . This book was released on 1992-01-30 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ideas about space and time are at the root of one's understanding of nature, both at the intuitive level of everyday experience and in the framework of sophisticated physical theories. These ideas have led to the development of geometry and its applications to physics. The contemporary physical theory of space and time, including its extention to the phenomena of gravitation, is Einstein's theory of relativity. Spacetime and Gravitation is a short introduction to this theory. It is addressed to a fairly wide readership: parts of it can be read by university students of mathematics, physics and engineering. A great deal of emphasis is given to the geometrical aspects of relativity theory and its comparison with the Newtonian view of the world. There are short chapters on the origins of Einstein's theory, gravitational waves, cosmology, spinors and the Einstein-Cartan theory.
Book Synopsis Gravitation and Gauge Symmetries by : M Blagojevic
Download or read book Gravitation and Gauge Symmetries written by M Blagojevic and published by CRC Press. This book was released on 2001-10-25 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the course of the development of electromagnetic, weak and strong interactions, the concept of (internal) gauge invariance grew up and established itself as an unavoidable dynamical principle in particle physics. It is less known that the principle of equivalence, and the basic dynamical properties of the gravitational interaction can also be ex
