Fadel, Matteo and Gessner, Manuel. (2020) Relating spin squeezing to multipartite entanglement criteria for particles and modes. Physical Review A, 102. 012412.
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Official URL: https://edoc.unibas.ch/80300/
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Abstract
Entanglement witnesses based on first and second moments exist in the form of spin squeezing criteria for the detection of particle entanglement from collective measurements, and in the form of modified uncertainty relations for the detection of mode entanglement or steering. By revealing a correspondence between them, we show that metrologically useful spin squeezing reveals multimode entanglement in symmetric spin states that are distributed into addressable modes. We further derive tight state-independent multipartite entanglement bounds on the spin squeezing coefficient and point out their connection to widely used entanglement criteria that depend on the state's polarization. Our results are relevant for state-of-the-art experiments where symmetric entangled states are distributed into a number of addressable modes, such as split spin squeezed Bose-Einstein condensates.
Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Experimentelle Nanophysik (Treutlein) |
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UniBasel Contributors: | Fadel, Matteo |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | American Physical Society |
ISSN: | 2469-9926 |
e-ISSN: | 2469-9934 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: | |
Last Modified: | 14 Apr 2021 08:44 |
Deposited On: | 14 Apr 2021 08:44 |
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