Journal
EUROPEAN PHYSICAL JOURNAL D
Volume 75, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1140/epjd/s10053-021-00212-6
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Funding
- INFN
- Italian Ministry of Education, University and Research (MIUR) under the aegis of Progetto Premiale Interferometro Atomico and PRIN 2015
- European Research Council [804815]
- European Research Council (ERC) [804815] Funding Source: European Research Council (ERC)
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This study proposes a new scheme for an improved determination of the Newtonian gravitational constant G using atom interferometry measurements of cold atoms in free fall. Different source mass configurations with varying geometries and materials were compared to identify an optimized experimental setup for G measurement. The effects of magnetic fields on manipulating atoms and controlling interferometer phase were also characterized.
We propose a new scheme for an improved determination of the Newtonian gravitational constant G and evaluate it by numerical simulations. Cold atoms in free fall are probed by atom interferometry measurements to characterize the gravitational field generated by external source masses. Two source mass configurations having different geometries and using different materials are compared to identify an optimized experimental setup for the G measurement. The effects of the magnetic fields used to manipulate the atoms and to control the interferometer phase are also characterized.
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