Gravity Beyond
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Beyond Gravity
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Author : Justin Leiber
language : en
Publisher: Tor Books
Release Date : 1988
Beyond Gravity written by Justin Leiber and has been published by Tor Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Fiction categories.
Uncertain whether he is a prisoner or guest, and forgetful of the accident from which he is now recovering, Ishmael Cadmus slowly ascertains his role in an alien space environment as that of spokesman for humanity
Beyond Einstein Gravity
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Author : Salvatore Capozziello
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-10-27
Beyond Einstein Gravity written by Salvatore Capozziello and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-27 with Science categories.
Beyond Einstein’s Gravity is a graduate level introduction to extended theories of gravity and cosmology, including variational principles, the weak-field limit, gravitational waves, mathematical tools, exact solutions, as well as cosmological and astrophysical applications. The book provides a critical overview of the research in this area and unifies the existing literature using a consistent notation. Although the results apply in principle to all alternative gravities, a special emphasis is on scalar-tensor and f(R) theories. They were studied by theoretical physicists from early on, and in the 1980s they appeared in attempts to renormalize General Relativity and in models of the early universe. Recently, these theories have seen a new lease of life, in both their metric and metric-affine versions, as models of the present acceleration of the universe without introducing the mysterious and exotic dark energy. The dark matter problem can also be addressed in extended gravity. These applications are contributing to a deeper understanding of the gravitational interaction from both the theoretical and the experimental point of view. An extensive bibliography guides the reader into more detailed literature on particular topics.
Gravity Beyond
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Author : Nigel Benham
language : en
Publisher:
Release Date : 2016
Gravity Beyond written by Nigel Benham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Beyond Spacetime
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Author : Nick Huggett
language : en
Publisher: Cambridge University Press
Release Date : 2020-05-14
Beyond Spacetime written by Nick Huggett and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-14 with Philosophy categories.
A collection of essays discussing the philosophy and foundations of quantum gravity. Written by leading philosophers and physicists in the field, chapters cover the important conceptual questions in the search for a quantum theory of gravity, and the current state of understanding among philosophers and physicists.
Beyond Gravity
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Author : Ruth Wolff
language : en
Publisher:
Release Date : 2005
Beyond Gravity written by Ruth Wolff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Beyond Einstein Gravity
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Author : Jorge Ovalle
language : en
Publisher: Springer Nature
Release Date : 2020-01-16
Beyond Einstein Gravity written by Jorge Ovalle and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-16 with Science categories.
This book serves two main purposes: firstly, it shows, in a simple way, how the possible existence of an extra-spatial dimension would affect the predictions of four-dimensional General Relativity, a model known as the Brane world; secondly, it explains, step-by-step, a new technique called Minimal Geometric Deformation, which was introduced for the purpose of solving the correspondingly modified Einstein field equations. This method gave rise to the Gravitational Decoupling in General Relativity, which is widely used to solve the Einstein field equations in various contexts.
Cosmology Beyond Einstein
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Author : Adam Ross Solomon
language : en
Publisher: Springer
Release Date : 2016-11-02
Cosmology Beyond Einstein written by Adam Ross Solomon and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-02 with Science categories.
This work investigates the theoretical and cosmological implications of modifying Einstein's theory of general relativity. It explores two classes of modifications to gravity: those in which the graviton is given a small mass, and those in which Lorentz invariance is spontaneously broken. It elucidates the nature of cosmological perturbations in theories of massive bimetric gravity, including a potentially deadly instability. Theories of gravity beyond general relativity could explain why the expansion of the Universe is accelerating, obviating the need for a dark energy, and can also affect the evolution of the early Universe. Next, it investigates the nature of spacetime in massive gravity theories that contain two different spacetime metrics. Lastly, the strongest constraints to date are placed on the size of Lorentz-violating effects in the gravity sector during inflation.
Gravitational Theories Beyond General Relativity
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Author : Iberê Kuntz
language : en
Publisher: Springer
Release Date : 2019-05-21
Gravitational Theories Beyond General Relativity written by Iberê Kuntz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-21 with Science categories.
Despite the success of general relativity in explaining classical gravitational phenomena, several problems at the interface between gravitation and high energy physics still remain open. The purpose of this thesis is to explore quantum gravity and its phenomenological consequences for dark matter, gravitational waves and inflation. A new formalism to classify gravitational theories based on their degrees of freedom is introduced and, in light of this classification, it is argued that dark matter is no different from modified gravity. Gravitational waves are shown to be damped due to quantum degrees of freedom. The consequences for gravitational wave events are also discussed. The non-minimal coupling of the Higgs boson to gravity is studied in connection with Starobinsky inflation and its implications for the vacuum instability problem is analyzed.
Reinventing Gravity
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Author : John W. Moffat
language : en
Publisher: Smithsonian
Release Date : 2008-09-30
Reinventing Gravity written by John W. Moffat and has been published by Smithsonian this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-30 with Science categories.
Einstein's gravity theory—his general theory of relativity—has served as the basis for a series of astonishing cosmological discoveries. But what if, nonetheless, Einstein got it wrong? Since the 1930s, physicists have noticed an alarming discrepancy between the universe as we see it and the universe that Einstein's theory of relativity predicts. There just doesn't seem to be enough stuff out there for everything to hang together. Galaxies spin so fast that, based on the amount of visible matter in them, they ought to be flung to pieces, the same way a spinning yo-yo can break its string. Cosmologists tried to solve the problem by positing dark matter—a mysterious, invisible substance that surrounds galaxies, holding the visible matter in place—and particle physicists, attempting to identify the nature of the stuff, have undertaken a slew of experiments to detect it. So far, none have. Now, John W. Moffat, a physicist at the Perimeter Institute for Theoretical Physics in Waterloo, Canada, offers a different solution to the problem. The capstone to a storybook career—one that began with a correspondence with Einstein and a conversation with Niels Bohr—Moffat's modified gravity theory, or MOG, can model the movements of the universe without recourse to dark matter, and his work challenging the constancy of the speed of light raises a stark challenge to the usual models of the first half-million years of the universe's existence. This bold new work, presenting the entirety of Moffat's hypothesis to a general readership for the first time, promises to overturn everything we thought we knew about the origins and evolution of the universe.
Defy Gravity
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Author : Caroline Myss, Ph.D.
language : en
Publisher: Hay House, Inc
Release Date : 2009-10-13
Defy Gravity written by Caroline Myss, Ph.D. and has been published by Hay House, Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-10-13 with Body, Mind & Spirit categories.
New York Times best-selling author Caroline Myss draws from her years as a medical intuitive to show that healing is not only physical; it is also a mystical phenomenon that transcends reason. Inspired by ordinary people who overcame a wide array of physical and psychological ailments—from rheumatoid arthritis to cancer—Caroline dove into the works of the great mystics to gain a deeper understanding of healing’s spiritual underpinnings. Based on these studies, she demonstrates how conventional and holistic medicine often fall short in times of need. Both systems rely upon a logical approach to curing illness when there is nothing reasonable about the emotional, psychological, or spiritual influences behind any ailment. Integral to this mystical healing approach is the engagement of the soul, which we experience through exploring our seven shadow passions, building an empowered inner self around our seven inherent graces, and learning how to work with the mystical laws that govern it. This knowledge holds the key to understanding what it means to defy gravity and break through the boundaries of ordinary thought. You can heal any illness. You can channel grace. And you can learn to live fearlessly.