Opened Access Quantum stochastic synchronization

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Author: Morillo Buzón, Manuel
Goychuk, Igor
Casado Pascual, Jesús
Lehmann, Jörg
Hänggi, Peter
Department: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Date: 2006-11-27
Published in: Physical Review Letters, 97 (21), 210601-1-210601-4.
Document type: Article
Abstract: We study, within the spin-boson dynamics, the synchronization of a quantum tunneling system with an external, time-periodic driving signal. As a main result, we find that at a sufficiently large system-bath coupling strength (i.e., for a friction strength α>1) the thermal noise plays a constructive role in yielding forced synchronization. This noise-induced synchronization can occur when the driving frequency is larger than the zero-temperature tunneling rate. As an application evidencing the effect, we consider the charge transfer dynamics in molecular complexes.
Cite: Morillo Buzón, M., Goychuk, I., Casado Pascual, J., Lehmann, J. y Hänggi, P. (2006). Quantum stochastic synchronization. Physical Review Letters, 97 (21), 210601-1-210601-4.
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DOI: 10.1103/PhysRevLett.97.210601

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