A survey of quantum-enhanced measurement technologies and their proposed applications to particle physics and cosmology, with a forward-looking discussion of new detector ideas.
On the Improvement of Frequency Stardards with Quantum Entanglement
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abstract
The optimal precision of frequency measurements in the presence of decoherence is discussed. We analyze different preparations of n two level systems as well as different measurement procedures. We show that standard Ramsey spectroscopy on uncorrelated atoms and optimal measurements on maximally entangled states provide the same resolution. The best resolution is achieved using partially entangled preparations with a high degree of symmetry.
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Quantum measurement systems and applications to particle physics and cosmology
A survey of quantum-enhanced measurement technologies and their proposed applications to particle physics and cosmology, with a forward-looking discussion of new detector ideas.