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22 papers · 2 filters
Asymptotic inference in system identification for the atom maser
Catalin Catana, Merlijn van Horssen, Madalin Guta
System identification is an integrant part of control theory and plays an increasing role in quantum engineering. In the quantum set-up, system identification is usually equated to…
Are general quantum correlations monogamous?
Alexander Streltsov, Gerardo Adesso, Marco Piani +1
Quantum entanglement and quantum non-locality are known to exhibit monogamy, that is, they obey strong constraints on how they can be distributed among multipartite systems. Quantu…
Berry Phase Quantum Thermometer
E. Martin-Martinez, A. Dragan, R. B. Mann +1
We show how Berry phase can be used to construct an ultra-high precision quantum thermometer. An important advantage of our scheme is that there is no need for the thermometer to a…
Interplay between computable measures of entanglement and other quantum correlations
Davide Girolami, Gerardo Adesso
Composite quantum systems can be in generic states characterized not only by entanglement, but also by more general quantum correlations. The interplay between these two signatures…
Nonclassical correlations in continuous-variable non-Gaussian Werner states
Richard Tatham, Ladislav Mišta, Gerardo Adesso +1
We study nonclassical correlations beyond entanglement in a family of two-mode non-Gaussian states which represent the continuous-variable counterpart of two-qubit Werner states. W…
Gaussian geometric discord
Gerardo Adesso, Davide Girolami
We extend the geometric measure of quantum discord, introduced and computed for two-qubit states in [B. Dakic, C. Brukner, and V. Vedral, Phys. Rev. Lett. 105, 190502 (2010)], to q…