Matches in SemOpenAlex for { <https://semopenalex.org/work/W1974000722> ?p ?o ?g. }
- W1974000722 abstract "We show that far-field diffraction images of spontaneously scattered Raman photons can be used for detection of spin entanglement and for metrology of field gradients in cold atomic ensembles. For many-body states with small or maximum uncertainty in the spin-excitation number, entanglement is simply witnessed by the presence of a sharp diffraction peak or dip. The gradient vector of external fields is measured by the displacement of a diffraction peak due to inhomogeneous spin precession, which suggests a possibility for precision measurements beyond the standard quantum limit without entanglement. Monitoring of the temporal decay of the diffraction peak can also realize a nondemolition probe of the temperature and collisional interactions in trapped cold atomic gases. The approach can be readily generalized to cold molecules, trapped ions, and solid-state spin ensembles." @default.
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- W1974000722 date "2013-04-02" @default.
- W1974000722 modified "2023-10-01" @default.
- W1974000722 title "Entanglement detection and quantum metrology by Raman photon-diffraction imaging" @default.
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- W1974000722 doi "https://doi.org/10.1103/physreva.87.042303" @default.
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