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Testing screened scalar-tensor theories of gravity with atomic clocks
Hugo Lévy, Jean-Philippe Uzan
In any scalar-tensor theory of gravity exhibiting a screening mechanism, the fifth force mediated by the scalar field is dynamically suppressed at sub-Solar system scales, allowing…
Fundamental constants: from measurement to the universe, a window on gravitation and cosmology
Jean-Philippe Uzan
Fundamental constants are a cornerstone of the physical laws. Any constant varying in space and/or time would signal a violation of local position invariance and be associated with…
Displacement versus velocity memory effects from a gravitational plane wave
Jibril Ben Achour, Jean-Philippe Uzan
This article demonstrates that additionally to the well-known velocity memory effect, a vacuum gravitational plane wave can also induce a displacement memory on a couple of test pa…
Wave optics lensing of gravitational waves: theory and phenomenology of triple systems in the LISA band
Martin Pijnenburg, Giulia Cusin, Cyril Pitrou +1
We study lensing of gravitational waves by a black hole in the deep wave optics regime, i.e. when the wavelength is much larger than the black hole Schwarzschild radius. We apply i…