Trade-offs between unitary and measurement induced spin squeezing in cavity QED

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Year of Publication
2024
Date Published
2024-08
Journal Title
Phys. Rev. Res.
Volume
6
Start Page or Article ID
L032037
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When the detection efficiency of the quantum nondemolition (QND) measurement is above 0.19, QND outperforms unitary evolution for the preparation of spin squeezing in a QED cavity.