Quantum discord determines the interferometric power of quantum states

Quantum metrology exploits quantum mechanical laws to improve the precision in estimating technologically relevant parameters such as phase, frequency, or magnetic fields. Probe states are usually tailored to the particular dynamics whose parameters are being estimated. Here we consider a novel fram...

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Bibliographic Details
Main Authors: Girolami, Davide, Souza, Alexandre M., Giovannetti, Vittorio, Tufarelli, Tommaso, Filgueiras, Jefferson G., Sarthour, Roberto S., Soares-Pinto, Diogo O., Oliveira, Ivan S., Adesso, Gerardo
Format: Article
Published: American Physical Society 2014
Online Access:https://eprints.nottingham.ac.uk/47216/