Results 161 to 170 of about 50,464 (300)
Analytic continuation and the giant graviton expansion
Journal of High Energy PhysicsThere is now strong evidence that the superconformal index of holographic gauge theories admits a giant graviton expansion capturing the worldvolume dynamics of spherical D3-branes moving in internal space. While the giant graviton indices may be written
Nizar Ezroura +2 more
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On non-perturbative unitarity in gravitational scattering
European Physical Journal C: Particles and Fields, 2019 We argue that the tree-level graviton-scalar scattering in the Regge limit is unitarized by non-perturbative effects within General Relativity alone, that is without resorting to any extension thereof.
Ivo Sachs, Tung Tran
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Graviton emission in Einstein-Hilbert gravity [PDF]
, 2012 A. Sabio Vera +2 more
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Discrete graviton spectrum from super-exponential cup potentials and their application to braneworld physics [PDF]
, 2014 Mariana Carrillo González +4 more
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Graviton scattering on gravitational atoms: Relic graviton shot noise
International Journal of Modern Physics DWe study the scattering of a graviton on a gravitational atom. By gravitational atom we mean a quantum mechanical system of a gravitational (bound) state of two massive particles, with possibly some boundary conditions (such as bouncing on a table or hanging as a pendulum).
Benjamin Avila-Lopez +3 more
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Generalised symmetries in linear gravity
Journal of High Energy PhysicsLinearised gravity has a global symmetry under which the graviton is shifted by a symmetric tensor satisfying a certain flatness condition. There is also a dual symmetry that can be associated with a global shift symmetry of the dual graviton theory. The
Chris Hull +2 more
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Schur line defect correlators and giant graviton expansion
Journal of High Energy PhysicsWe consider Schur line defect correlators in four dimensional N $$ \mathcal{N} $$ = 4 U(N) SYM and their giant graviton expansion encoding finite N corrections to the large N limit.
M. Beccaria
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Is scale-invariance in gauge-Yukawa systems compatible with the graviton? [PDF]
, 2017 Nicolai Christiansen +2 more
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, 2015 A recent paper by Fr\"ob employs the linearized Weyl-Weyl correlator to construct the tensor power spectrum. Although his purpose was to argue that infrared divergences and secular growth in the graviton propagator are gauge artefacts, a closer ...
Woodard, R. P.
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Resonant primordial gravitational waves amplification
Physics Letters B, 2016 We propose a mechanism to evade the Lyth bound in models of inflation. We minimally extend the conventional single-field inflation model in general relativity (GR) to a theory with non-vanishing graviton mass in the very early universe.
Chunshan Lin, Misao Sasaki
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