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Non-linear electrodynamics from massive gravity

Journal of High Energy Physics
As a counterpart to the four-fermion interaction, which describes massive vector exchange at low energies, we investigate the low energy effective action of photons under exchange of a massive graviton.
Thomas Flöss, Diederik Roest, Tom Westerdijk +2 more
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Gravitational Wave and Quantum Graviton Interferometer Arm Detection of Gravitons

Universe
This paper explores the quantum and classical descriptions of gravitational wave detection in interferometers like LIGO. We demonstrate that a graviton scattering and quantum optics model succeeds in explaining the observed arm displacements, while the ...
John W. Moffat
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Perturbative soft graviton theorems in de Sitter spacetime

Journal of High Energy Physics
We consider soft graviton scattering for a theory where Einstein’s gravity is minimally coupled to a scalar field in the presence of a cosmological constant, i.e. in a background de Sitter space. Employing a perturbative expansion in a small cosmological
Divyesh N. Solanki +2 more
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Compton-like scattering of a scalar particle with N photons and one graviton