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EnglishWe introduce and characterize two different measures which quantify the level of synchronization of coupled continuous variable quantum systems. The two measures allow us to extend to the quantum domain the notions of complete and phase synchronization. The Heisenberg principle sets a universal bound to complete synchronization. The measure of phase synchronization is, in principle, unbounded; however, in the absence of quantum resources (e. g., squeezing) the synchronization level is bounded below a certain threshold. We elucidate some interesting connections between entanglement and synchronization and, finally, discuss an application based on quantum optomechanical systems.
| Titolo: | Measures of quantum synchronization in continuous variable systems | |
| Autori: | ||
| Data di pubblicazione: | 2013 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevLett.111.103605 | |
| Parole Chiave: | INFORMATION; COHERENT | |
| Handle: | http://hdl.handle.net/11384/14816 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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