Matches in SemOpenAlex for { <https://semopenalex.org/work/W2889775434> ?p ?o ?g. }
- W2889775434 abstract "We propose a scheme for continuously measuring the evolving quantum phase of a collective spin composed of $N$ pseudospins. Quantum nondemolition measurements of a lossy cavity mode interacting with an atomic ensemble are used to directly probe the phase of the collective atomic spin without converting it into a population difference. Unlike traditional Ramsey measurement sequences, our scheme allows for real-time tracking of time-varying signals. As a bonus, spin-squeezed states develop naturally, providing real-time phase estimation significantly more precise than the standard quantum limit of $mathrm{ensuremath{Delta}}{ensuremath{phi}}_{mathrm{SQL}}=1/sqrt{N}text{ }text{ }mathrm{rad}$." @default.
- W2889775434 created "2018-09-27" @default.
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- W2889775434 date "2019-06-13" @default.
- W2889775434 modified "2023-10-14" @default.
- W2889775434 title "Continuous Real-Time Tracking of a Quantum Phase Below the Standard Quantum Limit" @default.
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- W2889775434 doi "https://doi.org/10.1103/physrevlett.122.233602" @default.
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