Quantum synchronization in dimer atomic lattices

Cabot, Albert; Giorgi, Gian Luca; Galve, Fernando; Zambrini, Roberta
Physical Review Letters 123, 023604 (1-6) (2019)

Synchronization phenomena have been recently reported in the quantum realm at the atomic level due to collective dissipation. In this work we propose a dimer lattice of trapped atoms realizing a dissipative spin model where quantum synchronization occurs instead in the presence of local dissipation. Atom synchronization is enabled by the inhomogeneity of staggered local losses in the lattice and is favored by an increase of spins detuning. A comprehensive approach to quantum synchronization based on different measures considered in the literature allows us to identify the main features of different synchronization regimes.

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