Synchronization along quantum trajectories

被引：38
|
作者：
Es'haqi-Sani, Najmeh [1 ,2 ]
Manzano, Gonzalo [1 ,3 ]
Zambrini, Roberta [4 ]
Fazio, Rosario [1 ,5 ]
机构：
[1] Abdus Salaam Int Ctr Theoret Phys, Str Costiera 11, I-134151 Trieste, Italy
[2] Ferdowsi Univ Mashhad, Dept Phys, POB 91775-1436, Mashhad, Razavi Khorasan, Iran
[3] Scuola Normale Super Pisa, Piazza Cavalieri 7, I-156126 Pisa, Italy
[4] Campus Univ Illes Balears, Inst Cross Disciplinary Phys & Complex Syst, E-07122 Palma De Mallorca, Spain
[5] Univ Napoli Federico II, Dipartimento Fis, I-180126 Naples, Italy
来源：
PHYSICAL REVIEW RESEARCH | 2020年 / 2卷 / 02期
关键词：
PHOTON; ENTANGLEMENT; DYNAMICS;
D O I：
10.1103/PhysRevResearch.2.023101
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We employ a quantum trajectory approach to characterize synchronization and phase-locking between open quantum systems in nonequilibrium steady states. We exemplify our proposal for the paradigmatic case of two quantum Van der Pol oscillators interacting through dissipative coupling. We show the deep impact of synchronization on the statistics of phase-locking indicators and other correlation measures defined for single trajectories, spotting a link between the presence of synchronization and the emergence of large tails in the probability distribution for the entanglement along trajectories. Our results shed light on fundamental issues regarding quantum synchronization providing methods for its precise quantification.
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收藏
页数：11
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