Results 21 to 30 of about 11,504,041 (312)
Inextendibilty of the Maximal Global Hyperbolic Development in Electrogowdy spacetimes
EPJ Web of Conferences, 2013 The problem of determinism in General Relativity appears even if one assumes that the spacetime is globally hyperbolic, i.e. that it contains a hypersurface that is intersected by any causal curve exactly once.
Nungesser Ernesto
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Nonlocal teleparallel cosmology
European Physical Journal C: Particles and Fields, 2017 Even though it is not possible to differentiate general relativity from teleparallel gravity using classical experiments, it could be possible to discriminate between them by quantum gravitational effects. These effects have motivated the introduction of
Sebastian Bahamonde +3 more
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Rotation and Spin and Position Operators in Relativistic Gravity and Quantum Electrodynamics
Universe, 2020 First, we examine how spin is treated in special relativity and the necessity of introducing spin supplementary conditions (SSC) and how they are related to the choice of a center-of-mass of a spinning particle.
Robert F. O’Connell
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Black Hole Surface Gravity in Doubly Special Relativity Geometries
Universe, 2022 In a quantum gravity theory, spacetime at mesoscopic scales can acquire a novel structure very different from the classical concept of general relativity.
José Javier Relancio, Stefano Liberati
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Scattering of fermions in the Yukawa theory coupled to unimodular gravity
European Physical Journal C: Particles and Fields, 2018 We compute the lowest order gravitational UV divergent radiative corrections to the S matrix element of the $$fermion + fermion\rightarrow fermion + fermion$$ fermion+fermion→fermion+fermion scattering process in the massive Yukawa theory, coupled either
S. Gonzalez-Martin, C. P. Martin
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Why even source-free gravity must be quantized
European Physical Journal C: Particles and Fields, 2022 I note, on the most elementary grounds: its classical ultraviolet catastrophe, that even source-free General Relativity must be quantized, despite some eminent opinions to the contrary and with a little fine print.
S. Deser
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No Preferred Reference Frame at the Foundation of Quantum Mechanics
Entropy, 2021 Quantum information theorists have created axiomatic reconstructions of quantum mechanics (QM) that are very successful at identifying precisely what distinguishes quantum probability theory from classical and more general probability theories in terms ...
William Stuckey +2 more
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Scattering amplitudes and N-body post-Minkowskian Hamiltonians in general relativity and beyond
Journal of High Energy Physics, 2023 We present a general framework for calculating post-Minskowskian, classical, conservative Hamiltonians for N non-spinning bodies in general relativity from relativistic scattering amplitudes.
Callum R. T. Jones, Mikhail Solon
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THE QUASI-CLASSICAL MODEL OF THE SPHERICAL CONFIGURATION IN GENERAL RELATIVITY [PDF]
International Journal of Modern Physics D, 2002 We consider the quasi-classical model of the spin-free configuration on the basis of the self-gravitating spherical dust shell in general relativity. For determination of the energy spectrum of the stationary states on the basis of quasi-classical quantization rules it is required to carry out some regularization of the system.
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Why we need to quantise everything, including gravity
npj Quantum Information, 2017 Why we need to quantise everything, including gravity Quantum gravity—the theory that will merge quantum theory and general relativity—is yet to be found.
C. Marletto, V. Vedral
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