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Quantum Algorithms
Using entanglement improves the precision of quantum measurements.
PubMed
Authors: D'Ariano GM, Lo Presti P, Paris MG
Year
2001
Paper ID
13183
Status
Peer-reviewed
Abstract Read
~2 min
Abstract Words
44
Citations
N/A
Abstract
We show how entanglement can be used to improve the estimation of an unknown transformation. Using entanglement is always of benefit in improving either the precision or the stability of the measurement. Examples relevant for applications are illustrated, for either qubits or continuous variables.
Why This Paper Matters
- It adds a 2001 reference point for readers tracking recent quantum research.
- We show how entanglement can be used to improve the estimation of an unknown transformation.
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