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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Dispersive atom interferometry phase shifts due to atom-surface interactions
Europhysics Letters, Volume 88, No. 2, Article 20002, Year 2009
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Description
We used the Toulouse atom interferometer to study how Van der Waals (VdW) interactions between atoms and surfaces cause velocity-dependent phase shifts for atomic de Broglie waves. By introducing a thin nano-grating in one branch of this interferometer, we observed a phase shift that depends on velocity to the power -0.49. This dispersion serves to measure both the strength and the position dependence of the atom-surface potential in the range from 5 to 10 nm from the surface, and it can also set new limits on non-Newtonian gravity in the 2 nm range. Copyright © EPLA, 2009.
Authors & Co-Authors
Lepoutre, Steven
France, Toulouse
Institut de Recherche Sur Les Systèmes Atomiques et Moléculaires Complexes
Jelassi, Haikel
France, Toulouse
Institut de Recherche Sur Les Systèmes Atomiques et Moléculaires Complexes
Lonij, Vincent P.A.
United States, Tucson
The University of Arizona
Trénec, Gérard
France, Toulouse
Institut de Recherche Sur Les Systèmes Atomiques et Moléculaires Complexes
Büchner, Matthias
France, Toulouse
Institut de Recherche Sur Les Systèmes Atomiques et Moléculaires Complexes
Cronin, Alexander D.
United States, Tucson
The University of Arizona
Vigué, Jacques
France, Toulouse
Institut de Recherche Sur Les Systèmes Atomiques et Moléculaires Complexes
Statistics
Citations: 18
Authors: 7
Affiliations: 2
Identifiers
Doi:
10.1209/0295-5075/88/20002
ISSN:
12864854