Atom Interferometry tests of the isotropy of post-Newtonian gravity

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dc.creatorMueller, Holger
dc.creatorChiow, Sheng-wey
dc.creatorHerrmann, Sven
dc.creatorChu, Steven
dc.creatorChung, Keng-Yeow
dc.date2007-10-19
dc.date2007-12-04
dc.date.accessioned2026-07-07T11:12:25Z
dc.date.available2026-07-07T11:12:25Z
dc.descriptionWe present a test of the local Lorentz invariance of post-Newtonian gravity by monitoring Earth's gravity with a Mach-Zehnder atom interferometer that features a resolution of about 8*10^(-9)g/Hz^(1/2), the highest reported thus far. Expressed within the standard model extension (SME) or Nordtvedt's anisotropic universe model, the analysis limits four coefficients describing anisotropic gravity at the ppb level and three others, for the first time, at the 10ppm level. Using the SME we explicitly demonstrate how the experiment actually compares the isotropy of gravity and electromagnetism.
dc.descriptionAdded outlook, corrected typos; to appear in PRL. 4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0710.3768
dc.identifierhttp://arxiv.org/abs/0710.3768
dc.identifierPhys.Rev.Lett.100:031101,2008
dc.identifierdoi:10.1103/PhysRevLett.100.031101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/191375
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectAtomic Physics
dc.titleAtom Interferometry tests of the isotropy of post-Newtonian gravity
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