Theory Of Gravitational Interactions
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Theory Of Gravitational Interactions
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Author : Maurizio Gasperini
language : en
Publisher: Springer
Release Date : 2016-11-25
Theory Of Gravitational Interactions written by Maurizio Gasperini and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-25 with Science categories.
This is the second edition of a well-received book that is a modern, self-contained introduction to the theory of gravitational interactions. The new edition includes more details on gravitational waves of cosmological origin, the so-called brane world scenario, and gravitational time-delay effects.The first part of the book follows the traditional presentation of general relativity as a geometric theory of the macroscopic gravitational field, while the second, more advanced part discusses the deep analogies (and differences) between a geometric theory of gravity and the gauge theories of the other fundamental interactions. This fills a gap within the traditional approach to general relativity which usually leaves students puzzled about the role of gravity. The required notions of differential geometry are reduced to the minimum, allowing room for aspects of gravitational physics of current phenomenological and theoretical interest, such as the properties of gravitational waves, the gravitational interactions of spinors, and the supersymmetric and higher-dimensional generalization of the Einstein equations. This textbook is primarily intended for students pursuing a theoretical or astroparticle curriculum but is also relevant for PhD students and young researchers.
Gravitation And Cogravitation
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Author : Oleg D. Jefimenko
language : en
Publisher:
Release Date : 2006
Gravitation And Cogravitation written by Oleg D. Jefimenko and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
Newtons theory of gravitation is the grandest and the most enduring physical theory ever created. Today, more than 300 years after it was first conceived, Newton''s theory of gravitation is still the basic working theory of astronomers and of all the scientists dealing with space exploration and celestial mechanics. However, Newton''s theory of gravitation has serious defects: it is incapable of accounting for certain fine details of planetary motion; it does not provide any information on the temporal aspect of gravitational interactions; it cannot be reconciled with the principle of causality and with the law of conservation of momentum when it is applied to time-dependent gravitational systems.This book extends and generalizes Newton''s theory of gravitation, makes it free from the above defects, makes it fully applicable to all possible gravitational systems, and provides a large variety of methods for calculating gravitational interactions between moving or stationary bodies of all shapes, sizes and configurations.The starting point of the generalization of Newton''s theory of gravitation developed in this book is the idea that gravitational interactions are mediated by two force fields: the gravitational field proper created by all masses and acting upon all masses, and the "cogravitational" field created by moving masses only and acting upon moving masses only. In accordance with the principle of causality, the two fields are represented by retarded field integrals, which, for static or slowly-varying gravitational systems, yield the ordinary Newtonian gravitational field.An immediate consequence of the generalized Newtonian theory of gravitation developed on this basis is that gravitational interactions normally involve at least five different forces associated with velocities, accelerations and rotations of interacting bodies. The effects of these forces are quite remarkable. Some examples: a fast-moving mass passing a spherically-symmetric body causes the latter to rotate; a mass moving with rapidly-decreasing velocity exerts both an attractive and a repulsive force on neighboring bodies; a rotating mass that is suddenly stopped causes neighboring bodies to rotate; the differential rotation of the Sun is caused by the planets orbiting around it.The generalized theory of gravitation is fully compatible with the laws of conservation of energy and momentum. A very important result of this compatibility is the definitive explanation of the process of conversion of gravitational field energy into the kinetic energy of bodies moving under the action of gravitational fields.The generalized theory of gravitation predicts the existence of gravitation-cogravitational waves and explains how such waves can be generated.The generalized theory of gravitation also indicates the existence of antigravitational (repulsive) fields and mass formations. A cosmological consequence of such fields and mass formations is a periodic expansion and contraction of the Universe. Another consequence is that the actual mass of the Universe may be much larger than the mass revealed by an analysis of gravitational attraction in the galaxies.It is natural to compare the various consequences of the generalized theory of gravitation with the consequences of the general relativity theory. In this regard the following three remarks should be made.First, there are no observable gravitational effects revealed by the general relativity theory that do not have their counterparts in the generalized theory of gravitation.Second, the generalized theory of gravitation describes a vastly larger number of gravitational effects than those described by the general relativity theory.Third, numerical values for gravitational effects predicted by the general relativity theory are usually different from the corresponding values predicted by the generalized theory of gravitation; the difference is almost always a consequence of greater complexity and depth of gravitational interactions revealed by the generalized theory of gravitation.Although this book presents the results of original research, it is written in the style of a textbook and contains numerous illustrative examples demonstrating various applications of the generalized Newtonian theory of gravitation developed in the book.
A Quantum Mechanical Theory Of Gravitational Interactions
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Author : Greg Feild
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2016-08-29
A Quantum Mechanical Theory Of Gravitational Interactions written by Greg Feild and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-29 with categories.
The recent confirmation of the neutrino mass allows a new theoretical investigation into the quantum mechanical nature of gravity. This brief book presents a quantum mechanical theory of gravity based on the well established results of quantum mechanical calculations concerning the Coulomb potential. We assume the gravitational charge of a particle is equivalent to its mass. Investigating this theory we determine a graviton of mass=0, spin=1. We also demonstrate the gravitational charge of a partcle is not constant but changes with a particle's energy. Finally, we conclude there is one fundamental force dictating the behavior of all matter.
Aspects Of Gravitational Interaction
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Author : S. K. Srivastava
language : en
Publisher: Nova Biomedical Books
Release Date : 1998
Aspects Of Gravitational Interaction written by S. K. Srivastava and has been published by Nova Biomedical Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Science categories.
The twentieth century has brought enormous changes in the physicist's understanding of the fundamental nature of the physical world. These changes were ushered in the century's first decade, with the advent of relativity and quantum theory. With advancing knowledge, the mystery surrounding the ultimate nature of the physical world has deepened, not lessened, and the search for the Holy Grail of a 'Grand Unified Theory' or 'Theory of Everything' continues. This book reveals, in considerable detail, the concepts that have arisen as a result of that search -- the 'state of art'. Contents: Introduction to the Theory of Manifolds; Tensors and Riemannian; Einstein's theory of gravity; Some important modifications of Einstein's theory of gravity; Interaction of quantum fields with classical gravity; Gauge theory of gravity; Kaluza-Kleii Theory.
A Theory Of Unified Gravitation
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Author : Gil Raviv
language : en
Publisher: Gil Raviv
Release Date : 2009
A Theory Of Unified Gravitation written by Gil Raviv and has been published by Gil Raviv this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Gravitation categories.
Gravity Superconductors Interactions
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Author : Giovanni Modanese
language : en
Publisher: Bentham Science Publishers
Release Date : 2012
Gravity Superconductors Interactions written by Giovanni Modanese and has been published by Bentham Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Science categories.
"Recent developments in gravity-superconductivity interactions have been summarized by several researchers. If gravitation has to be eventually reconciled with quantum mechanics, the macroscopic quantum character of superconductors might actually matter. T"
Black Holes
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Author : P. D. D'Eath
language : en
Publisher:
Release Date : 1996
Black Holes written by P. D. D'Eath and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Mathematics categories.
Black Holes are regions of space-time where the gravitational field is so strong that not even light can escape. There has been much written on black holes, however in most cases they are treated as isolated objects. The author has found a number of cases in which the interaction of a black hole with another strong-field system (such as the background universe or another black hole) could be treated analytically. This includes using the powerful method of matched asymptotic expansions. In this book the author considers these wider ranging problems and examples for the first time. This book will be widely read by all those working in gravitation, and PhD students in mathematical physics.
Understanding Gravity The Generation Model Approach
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Author : Brian A Robson
language : en
Publisher: World Scientific
Release Date : 2021-06-22
Understanding Gravity The Generation Model Approach written by Brian A Robson and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-22 with Science categories.
Currently, the General Theory of Relativity (GTR) describes the physics of the very large in terms of classical physics, while quantum theory describes the physics of the very small in terms of the Standard Model of particle physics. Unfortunately, the two theories are incompatible and do not describe satisfactorily all the forces between the various particles comprising ordinary matter. At present, one of the deepest problems in theoretical physics is harmonizing the GTR, which describes gravitation, with quantum mechanics, which describes the other three fundamental forces acting on the atomic scale. The main aim of the book is to provide an understanding of gravity in terms of a quantum theory given by the Generation Model of particle physics. The book presents a fully quantum theory of gravity, which describes both the large cosmological scale and the small atomic scale interactions between all particles.
Gravitation And Inertia
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Author : Ignazio Ciufolini
language : en
Publisher: Princeton University Press
Release Date : 2018-06-26
Gravitation And Inertia written by Ignazio Ciufolini and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-26 with Science categories.
Einstein's standard and battle-tested geometric theory of gravity--spacetime tells mass how to move and mass tells spacetime how to curve--is expounded in this book by Ignazio Ciufolini and John Wheeler. They give special attention to the theory's observational checks and to two of its consequences: the predicted existence of gravitomagnetism and the origin of inertia (local inertial frames) in Einstein's general relativity: inertia here arises from mass there. The authors explain the modern understanding of the link between gravitation and inertia in Einstein's theory, from the origin of inertia in some cosmological models of the universe, to the interpretation of the initial value formulation of Einstein's standard geometrodynamics; and from the devices and the methods used to determine the local inertial frames of reference, to the experiments used to detect and measure the "dragging of inertial frames of reference." In this book, Ciufolini and Wheeler emphasize present, past, and proposed tests of gravitational interaction, metric theories, and general relativity. They describe the numerous confirmations of the foundations of geometrodynamics and some proposed experiments, including space missions, to test some of its fundamental predictions--in particular gravitomagnetic field or "dragging of inertial frames" and gravitational waves.
Interacting Gravitational Electromagnetic Neutrino And Other Waves In The Context Of Einstein S General Theory Of Relativity
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Author : Anzhong Wang
language : en
Publisher: World Scientific
Release Date : 2020-03-19
Interacting Gravitational Electromagnetic Neutrino And Other Waves In The Context Of Einstein S General Theory Of Relativity written by Anzhong Wang and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-19 with Science categories.
This book is devoted to researchers who would like to investigate interactions among gravitational waves and matter fields beyond linear order, including the phenomena of memory effects, gravitational Faraday rotation, soft theorems, and formations of spacetime singularities due to the mutual focus of gravitational waves. Readers only require a basic understanding of general relativity to understand the materials.The book starts with an overview on the fundamentals of the Newman-Penrose formalism and a brief introduction to distribution theory, with which the author systematically develops a mathematical description of spacetimes of colliding plane waves. Then, the author presents a frame-independent definition of polarization of a plane gravitational wave in a curved spacetime, studies in detail the gravitational Faraday rotation of two plane gravitational waves, and shows that each of them can serve as a medium to the other precisely due to their nonlinear interactions. Exact solutions are also presented, which represent a variety of models including the collisions of two plane gravitational waves and the collisions of a plane gravitational wave with a dust shell, a massless scalar wave, an electromagnetic wave, or a neutrino wave. The formation of spacetime singularities due to nonlinear interactions and the effects of gravitational wave polarization on the nature of singularities are also explored.