Journal
QUANTUM SCIENCE AND TECHNOLOGY
Volume 6, Issue 4, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/2058-9565/ac1b6a
Keywords
quantum sensing; quantum entanglement; spin squeezing; electron electric dipole moment; laser cooling; atom interferometry
Funding
- Japan Society for the Promotion of Science (JSPS) [20H01929, 19H05601]
- SERB-TARE, New Delhi, India [TAR/2020/000189]
- Grants-in-Aid for Scientific Research [19H05601, 20H01929] Funding Source: KAKEN
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A method to measure the electron electric dipole moment using ultracold entangled francium atoms trapped in an optical lattice is proposed, potentially enabling a determination below the standard quantum limit and exploration of new physics models in particle physics.
We propose a method to measure the electron electric dipole moment (eEDM) using ultracold entangled francium (Fr) atoms trapped in an optical lattice, yielding an uncertainty below the standard quantum limit. Among the alkali atoms, Fr offers the largest enhancement factor to the eEDM. With a Fr based experiment, quantum sensing using quantum entangled states could enable a search for the eEDM at a level below 10(-30) ecm. We estimate statistical and systematic errors attached to the proposed measurement scheme based on this quantum sensing technique. A successful quantum sensing of the eEDM could enable the exploration of new physics beyond the standard model of particle physics.
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