منابع مشابه
Quantum stochastic synchronization.
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 alpha > 1) the thermal noise plays a constructive role in yielding forced synchronization. This noise-induced synchronization can occur when ...
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Using the methods of quantum trajectories we study numerically the phenomenon of quantum synchronization in a quantum dissipative system with periodic driving. Our results show that at small values of Planck constant ~ the classical devil’s staircase remains robust with respect to quantum fluctuations while at large ~ values synchronization plateaus are destroyed. Quantum synchronization in our...
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We examine microscopic mechanisms for coupling stochastic oscillators so that they display similar and correlated temporal variations. Unlike oscillatory motion in deterministic dynamical systems, complete synchronization of stochastic oscillators does not occur, but appropriately defined oscillator phase variables coincide. This is illustrated in model chemical systems and genetic networks tha...
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The models of circadian genetic oscillators involving interwined feedback processes in molecular level genetic network in Drosophila melanogaster and Neurospora crassa are studied and examine mechanisms whereby synchronization can arise in an assembly of cells. The individual subcellular circadian oscillatory processes are stochastic in nature due to small numbers of molecules are involved in t...
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F. A. Cárdenas-López,1, 2, ∗ M. Sanz,3, † J. C. Retamal,1, 2 and E. Solano3, 4 Departamento de Fı́sica, Universidad de Santiago de Chile (USACH), Avenida Ecuador 3493, 9170124, Santiago, Chile Center for the Development of Nanoscience and Nanotechnology 9170124, Estación Central, Santiago, Chile Department of Physical Chemistry, University of the Basque Country UPV/EHU, Apartado 644, 48080 Bilba...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2006
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.97.210601