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Operational approach to open dynamics and quantifying initial correlations
Kavan Modi
A central aim of physics is to describe the dynamics of physical systems. Schrodinger's equation does this for isolated quantum systems. Describing the time evolution of a quantum…
Operational interpretations of quantum discord
D. Cavalcanti, L. Aolita, S. Boixo +3
Quantum discord quantifies non-classical correlations going beyond the standard classification of quantum states into entangled and unentangled ones. Although it has received consi…
Detecting Multipartite Classical States and their Resemblances
Lin Chen, Eric Chitambar, Kavan Modi +1
We study various types of multipartite states lying near the quantum-classical boundary. The class of so-called classical states are precisely those in which each party can perform…
Quantum Correlations in Mixed-State Metrology
Kavan Modi, Hugo Cable, Mark Williamson +1
We analyze the effects of quantum correlations, such as entanglement and discord, on the efficiency of phase estimation by studying four quantum circuits that can be readily implem…