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10 papers · 2 filters
Synchronization and coalescence in a dissipative two-qubit system
Albert Cabot, Gian Luca Giorgi, Roberta Zambrini
The possibility for detuned spins to display synchronous oscillations in local observables is analyzed in the presence of collective dissipation and incoherent pumping. We show tha…
Symmetry and block structure of the Liouvillian superoperator in partial secular approximation
Marco Cattaneo, Gian Luca Giorgi, Sabrina Maniscalco +1
We address the structure of the Liouvillian superoperator for a broad class of bosonic and fermionic Markovian open systems interacting with stationary environments. We show that t…
Synchronization along quantum trajectories
Najmeh Es'haqi-Sani, Gonzalo Manzano, Roberta Zambrini +1
We employ a quantum trajectory approach to characterize synchronization and phase-locking between open quantum systems in nonequilibrium steady states. We exemplify our proposal fo…
Microscopic and phenomenological models of driven systems in structured reservoirs
Gian Luca Giorgi, Astghik Saharyan, Stéphane Guérin +2
We study the paradigmatic model of a qubit interacting with a structured environment and driven by an external field by means of a microscopic and a phenomenological model. The val…
Boosting the performance of small autonomous refrigerators via common environmental effects
Gonzalo Manzano, Gian-Luca Giorgi, Rosario Fazio +1
We explore the possibility of enhancing the performance of small thermal machines by the presence of common noise sources. In particular, we study a prototypical model for an auton…
Quantum synchronization in dimer atomic lattices
Albert Cabot, Gian Luca Giorgi, Fernando Galve +1
Synchronization phenomena have been recently reported in the quantum realm at atomic level due to collective dissipation. In this work we propose a dimer lattice of trapped atoms r…