Results 41 to 50 of about 50,464 (300)
Generalized symmetries of the graviton [PDF]
Journal of High Energy Physics, 2021 We find the set of generalized symmetries associated with the free graviton theory in four dimensions. These are generated by gauge invariant topological operators that violate Haag duality in ring-like regions.
V. Benedetti +2 more
semanticscholar +1 more source
The European Physical Journal Plus, 2020 Mechanism mixing graviton spin states is defined. The mixing appears naturally due to loop corrections. Its influence on amplitudes involving matter states is shown, implications for empirical data are discussed. It is argued that the mixing is one of the reasons behind an inability to defined the universal running of the Newton constant.
openaire +2 more sources
Physical Review D, 1991 The recently proposed loop representation, used previously to find exact solutions to the quantum constraints of general relativity, is here used to quantize linearized general relativity. The Fock space of graviton states and its associated algebra of observables are represented in terms of functionals of loops. The ``reality conditions'' are realized
Ashtekar, Abhay +2 more
openaire +3 more sources
Graviton-induced bremsstrahlung [PDF]
Physical Review D, 2003 We discuss photon Bremsstrahlung induced by virtual graviton exchange in proton-proton interactions at hadronic colliders, resulting from the exchange of Kaluza-Klein excitations of the graviton. The relevant subprocesses, gg to G to e^+e^-gamma and q barq to e^+e^-gamma are discussed in both the ADD and the RS scenarios. Although two-body final states
Dvergsnes, Erik +2 more
openaire +2 more sources
MHV graviton scattering amplitudes and current algebra on the celestial sphere [PDF]
Journal of High Energy Physics, 2020 The Cachazo-Strominger subleading soft graviton theorem for a positive helicity soft graviton is equivalent to the Ward identities for SL2ℂ¯\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb}
Shamik Banerjee +2 more
semanticscholar +1 more source
Gravitational radiation from binary systems in massive graviton theories [PDF]
Journal of Cosmology and Astroparticle Physics, 2021 Theories with massive gravitons have peculiarity called the van Dam-Veltman-Zakharov discontinuity in that the massive theory propagator does not go to the massless graviton propagator in the zero graviton mass limit.
Tanmay Kumar Poddar, S. Mohanty, S. Jana
semanticscholar +1 more source
Minimal theory of massive gravity and constraints on the graviton mass [PDF]
Journal of Cosmology and Astroparticle Physics, 2021 The Minimal theory of Massive Gravity (MTMG) is endowed non-linearly with only two tensor modes in the gravity sector which acquire a non-zero mass.
Antonio de Felice +2 more
semanticscholar +1 more source
Giant gravitons in the Schrödinger holography
Journal of High Energy Physics, 2021 We construct and study new giant graviton configurations in the framework of the non-supersymmetric Schrödinger holography. We confirm in the original Schrödinger spacetime, the picture discovered previously in the pp-wave limit of the geometry, namely ...
George Georgiou, Dimitrios Zoakos
doaj +1 more source
Giant graviton oscillators [PDF]
Journal of High Energy Physics, 2011 72 ...
Koch, Robert De Mello +3 more
openaire +3 more sources
Double-graviton production from Standard Model plasma [PDF]
Journal of Cosmology and Astroparticle PhysicsThe thermal plasma filling the early universe generated a stochastic gravitational wave background that peaks in the microwave frequency range today.
J. Ghiglieri +3 more
semanticscholar +1 more source