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Quantum correlations and mutual synchronization

Gian Luca Giorgi, Fernando Galve, Gonzalo Manzano, Pere Colet and Roberta Zambrini
Physical Review A 85, 052101 (1-7) (2012)

We consider the phenomenon of mutual synchronization in a fundamental quantum system of two detuned quantum harmonic oscillators dissipating into the environment. We identify the conditions leading to this spontaneous phenomenon, showing that the ability of the system to synchronize is related to the existence of disparate decay rates and is accompanied by robust quantum discord and mutual information between the oscillators, preventing the leak of information from the system.