Multiparameter quantum metrology and mode entanglement with spatially split nonclassical spin ensembles

Multiparameter quantum metrology and mode entanglement with spatially split nonclassical spin ensembles

We identify the multiparameter sensitivity of entangled spin states, such as spin-squeezed and Dicke states that are spatially distributed into several addressable spatial modes. Analytical expressions for the spin-squeezing matrix of families of states that are accessible by current atomic experime...

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Bibliographic Details
Main Authors: Matteo Fadel, Benjamin Yadin, Yuping Mao, Tim Byrnes, Manuel Gessner
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:New Journal of Physics
Subjects:
quantum metrology
Bose–Einstein condensates
spin-squeezing
Fisher information matrix
mode and particle entanglement
Online Access:https://doi.org/10.1088/1367-2630/ace1a0

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