Controlling excitation avalanches in driven Rydberg gases

被引:4
作者
Klocke, Kai [1 ]
Buchhold, Michael
机构
[1] CALTECH, Dept Phys, Pasadena, CA 91125 USA
关键词
SELF-ORGANIZED CRITICALITY; POWER LAWS; NETWORKS;
D O I
10.1103/PhysRevA.99.053616
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Recent experiments with strongly interacting, driven Rydberg ensembles have introduced a promising setup for the study of self-organized criticality (SOC) in cold atom systems. Based on this setup, we theoretically propose a control mechanism for the paradigmatic avalanche dynamics of SOC in the form of a time-dependent drive amplitude. This gives access to a variety of avalanche dominated, self-organization scenarios, prominently including self-organized criticality, as well as sub- and supercritical dynamics. We analyze the dependence of the dynamics on external scales and spatial dimensionality. It demonstrates the potential of driven Rydberg systems as a playground for the exploration of an extended SOC phenomenology and their relation to other common scenarios of SOC, such as, e.g., in neural networks and on graphs.
引用
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页数:8
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