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典型文献
Characterizing entanglement in non-Hermitian chaotic systems via out-of-time ordered correlators
文献摘要:
We investigate the quantum entanglement in a non-Hermitian kicking system.In the Hermitian case,the out-of-time ordered correlators(OTOCs)exhibit the unbounded power-law increase with time.Correspondingly,the linear entropy,which is a common measurement of entanglement,rapidly increases from zero to almost unity,indicating the formation of quantum entanglement.For strong enough non-Hermitian driving,both the OTOCs and linear entropy rapidly saturate as time evolves.Interestingly,with the increase of non-Hermitian kicking strength,the long-time averaged value of both OTOCs and linear entropy has the same transition point where they exhibit the sharp decrease from a plateau,demonstrating the disentanglment.We reveal the mechanism of disentanglement with the extension of Floquet theory to non-Hermitian systems.
文献关键词:
作者姓名:
Kai-Qian Huang;Wei-Lin Li;Wen-Lei Zhao;Zhi Li
作者机构:
Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials,SPTE,South China Normal University,Guangzhou 510006,China;School of Science,Jiangxi University of Science and Technology,Ganzhou 341000,China;Guangdong-Hong Kong Joint Laboratory of Quantum Matter,Frontier Research Institute for Physics,South China Normal University,Guangzhou 510006,China;Guangdong Provincial Key Laboratory of Nuclear Science,Institute of Quantum Matter,South China Normal University,Guangzhou 510006,China
引用格式:
[1]Kai-Qian Huang;Wei-Lin Li;Wen-Lei Zhao;Zhi Li-.Characterizing entanglement in non-Hermitian chaotic systems via out-of-time ordered correlators)[J].中国物理B(英文版),2022(09):199-203
A类:
correlators,kicking,OTOCs,disentanglment,disentanglement
B类:
Characterizing,Hermitian,chaotic,systems,via,out,ordered,We,investigate,quantum,case,exhibit,unbounded,power,law,Correspondingly,linear,entropy,which,common,measurement,rapidly,increases,from,zero,almost,unity,indicating,formation,For,strong,enough,driving,both,saturate,evolves,Interestingly,strength,long,averaged,value,has,same,transition,point,where,they,sharp,decrease,plateau,demonstrating,reveal,mechanism,extension,Floquet,theory
AB值:
0.457042
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