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  • 1
    Online Resource
    Online Resource
    Oxford :Oxford University Press, Incorporated,
    Keywords: Gravity. ; Electronic books.
    Description / Table of Contents: Relativity theory assumes locality, without accounting for the observer's past history. This book introduces nonlocality, or history dependence, into relativity theory. Inertia and gravitation are deeply tied, suggesting gravity may be nonlocal. The gravitational memory of past events must then be taken into account.
    Type of Medium: Online Resource
    Pages: 1 online resource (251 pages)
    Edition: 1st ed.
    ISBN: 9780192525956
    Series Statement: International Series of Monographs on Physics Series ; v.167
    DDC: 531/.14
    Language: English
    Note: Cover -- Preface -- Contents -- 1 Introduction -- 1.1 Lorentz Invariance -- 1.2 Hypothesis of Locality -- 1.3 General Relativity and Locality -- 1.4 Fundamental Observers -- 2 Acceleration-Induced Nonlocality -- 2.1 Accelerated Observers -- 2.2 Frequency Measurement -- 2.3 Radiating Charged Particle -- 2.4 Acceleration Scales -- 2.5 Applications of Locality -- 2.6 Bohr-Rosenfeld Principle -- 2.7 Nonlocal Ansatz -- 2.8 Nonlocal Relativity -- 2.9 Appendix: Resolvent Kernel -- 3 Acceleration Kernel -- 3.1 Local Field Determination -- 3.2 Can Light Stand Completely Still? -- 3.3 Determination of the Kernel -- 3.4 Nonlocal Field Determination -- 3.5 Confrontation with Experiment -- 3.6 Nonlocal Electrodynamics -- 3.7 Nonlocal Special Relativity -- 3.8 Nonlocal Field Equation -- 4 Toward Nonlocal Gravitation -- 4.1 Linearized Gravitational Radiation in GR -- 4.2 Uniformly Rotating Observer -- 4.3 Nonlocal Gravitational Wave Equation -- 4.4 Acceleration-Induced Nonlocality and Gravitation -- 4.5 Nonlocal Gravity: Analogy with Electrodynamics -- 5 Extension of General Relativity -- 5.1 Fundamental Observers in Minkowski Spacetime -- 5.2 Fundamental Observers in Curved Spacetime -- 5.3 Measurement of Weitzenböck's Torsion -- 6 Field Equation of Nonlocal Gravity -- 6.1 Riemannian Curvature of Spacetime -- 6.2 GRǁ: Teleparallel Equivalent of GR -- 6.3 World Function -- 6.4 Nonlocal Gravity (NLG) -- 6.5 Nonlocal GRǁ -- 6.6 Nonlocal GR -- 6.7 Effective Dark Matter -- 7 Linearized Nonlocal Gravity -- 7.1 Linear Approximation of Nonlocal Gravity -- 7.2 Causal Reciprocal Kernel -- 7.3 Linearized Field Equation with hµν,ν = 0 -- 7.4 Newtonian Limit -- 7.5 Beyond the Newtonian Limit -- 7.6 Gravitational Field of a Stationary Source -- 7.7 Light Deflection due to a Uniformly Moving Mass -- 7.8 Gravitation and Nonlocality. , 7.9 Appendix A: Constitutive Relation of NLG -- 7.10 Appendix B: Liouville-Neumann Method -- 7.11 Appendix C: Calculation of q(|ξ|) -- 7.12 Appendix D: Light Deflection Integrals -- 8 Nonlocal Gravity and Dark Matter -- 8.1 Solar System -- 8.2 Spiral Galaxies -- 8.3 Chandra X-Ray Clusters of Galaxies -- 8.4 Virial Theorem -- 8.5 Dark Matter -- 8.6 Effective Dark Matter -- 8.7 Galaxies and Nonlocal Gravity -- 9 Linearized Gravitational Waves in Nonlocal Gravity -- 9.1 Nonlocal Wave Equation -- 9.2 Propagation of Gravitational Waves with λ ≪ λ0 -- 9.3 Dark Source -- 9.4 Gravitational Radiation Flux -- 10 Nonlocal Newtonian Cosmology -- 10.1 Nonlocal Newtonian Cosmological Model -- 10.2 Cosmological Background -- 10.3 Jeans Instability -- 10.4 Nonlocal Analog of the Zel'dovich Solution -- 10.5 An Exact Solution -- 10.6 Appendix A: Distention of Massive Early-Type Galaxies with Decreasing z -- 10.7 Appendix B: Instability of the Exact Solution -- Bibliography -- Index.
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  • 2
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    American Physical Society (APS)
    Publication Date: 2018-03-21
    Description: Author(s): Donato Bini, Carmen Chicone, and Bahram Mashhoon In general relativity (GR), linearized gravitational waves propagating in empty Minkowski spacetime along a fixed spatial direction have the property that the wave front is the Euclidean plane. Beyond the linear regime, exact plane waves in GR have been studied theoretically for a long time and many... [Phys. Rev. D 97, 064022] Published Tue Mar 20, 2018
    Keywords: General relativity, alternative theories of gravity
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 3
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    Unknown
    American Physical Society (APS)
    Publication Date: 2013-09-19
    Description: Author(s): Bahram Mashhoon and Yuri N. Obukhov We discuss the motion of spin in inertial and gravitational fields. The coupling of spin with rotation and the gravitomagnetic field has already been extensively studied; therefore, we focus here on the inertial and gravitational spin-orbit couplings. In particular, we investigate the classical and ... [Phys. Rev. D 88, 064037] Published Wed Sep 18, 2013
    Keywords: General relativity, gravitation
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 4
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    American Physical Society (APS)
    Publication Date: 2014-07-11
    Description: Author(s): Donato Bini and Bahram Mashhoon We investigate the asymptotic behavior of peculiar velocities in certain physically significant time-dependent gravitational fields. Previous studies of the motion of free test particles have focused on the collapse scenario, according to which a double-jet pattern with Lorentz factor γ→∞ develops a... [Phys. Rev. D 90, 024030] Published Thu Jul 10, 2014
    Keywords: General Relativity and Gravitation
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 5
    Publication Date: 2017-10-17
    Description: Author(s): Donato Bini, Carmen Chicone, and Bahram Mashhoon Consider a dynamic general relativistic spacetime in which the proper infinitesimal interval along one spatial coordinate direction decreases monotonically with time, while the corresponding intervals increase along other spatial directions. In a system undergoing such complete anisotropic collapse/... [Phys. Rev. D 96, 084034] Published Mon Oct 16, 2017
    Keywords: General relativity, alternative theories of gravity
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 6
    Publication Date: 2018-07-26
    Description: Author(s): Donato Bini, Carmen Chicone, Bahram Mashhoon, and Kjell Rosquist Twisted gravitational waves (TGWs) are nonplanar waves with twisted rays that move along a fixed direction in space. We study further the physical characteristics of a recent class of Ricci-flat solutions of general relativity representing TGWs with wave fronts that have negative Gaussian curvature.... [Phys. Rev. D 98, 024043] Published Wed Jul 25, 2018
    Keywords: General relativity, alternative theories of gravity
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 7
    Publication Date: 2014-12-27
    Description: A brief account of the present status of the recent nonlocal generalization of Einstein’s theory of gravitation is presented. The main physical assumptions that underlie this theory are described. We clarify the physical meaning and significance of Weitzenböck’s torsion and emphasize its intimate relationship with the gravitational field, characterized by the Riemannian curvature of spacetime. In this theory, nonlocality can simulate dark matter; in fact, in the Newtonian regime, we recover the phenomenological Tohline–Kuhn approach to modified gravity. To account for the observational data regarding dark matter,  nonlocality is associated with a characteristic length scale of order 1 kpc. The confrontation of nonlocal gravity with observation is briefly discussed.
    Electronic ISSN: 2075-4434
    Topics: Physics
    Published by MDPI
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  • 8
    Publication Date: 2015-04-11
    Description: Author(s): Donato Bini and Bahram Mashhoon We study Weitzenböck’s torsion and discuss its properties. Specifically, we calculate the measured components of Weitzenböck’s torsion tensor for a frame field adapted to static observers in a Fermi normal coordinate system that we establish along the world line of an arbitrary accelerated observer ... [Phys. Rev. D 91, 084026] Published Fri Apr 10, 2015
    Keywords: General Relativity and Gravitation
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 9
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    American Physical Society (APS)
    Publication Date: 2016-12-06
    Description: Author(s): Donato Bini and Bahram Mashhoon In general relativity, relativistic gravity gradiometry involves the measurement of the relativistic tidal matrix, which is theoretically obtained from the projection of the Riemann curvature tensor onto the orthonormal tetrad frame of an observer. The observer’s 4-velocity vector defines its local … [Phys. Rev. D 94, 124009] Published Mon Dec 05, 2016
    Keywords: General relativity, alternative theories of gravity
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 10
    Publication Date: 2017-05-23
    Description: Author(s): Donato Bini, Carmen Chicone, and Bahram Mashhoon Within the framework of general relativity, we investigate the tidal acceleration of astrophysical jets relative to the central collapsed configuration (“Kerr source”). To simplify matters, we neglect electromagnetic forces throughout; however, these must be included in a complete analysis. The rest… [Phys. Rev. D 95, 104029] Published Mon May 22, 2017
    Keywords: General relativity, alternative theories of gravity
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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