典型文献
Two-body exceptional points in open dissipative systems
文献摘要：
We study two-body non-Hermitian physics in the context of an open dissipative system depicted by the Lindblad master equation.Adopting a minimal lattice model of a handful of interacting fermions with single-particle dissipation,we show that the non-Hermitian effective Hamiltonian of the master equation gives rise to two-body scattering states with state-and interaction-dependent parity-time transition.The resulting two-body exceptional points can be extracted from the trace-preserving density-matrix dynamics of the same dissipative system with three atoms.Our results not only demonstrate the interplay of parity-time symmetry and interaction on the exact few-body level,but also serve as a minimal illustration on how key features of non-Hermitian few-body physics can be probed in an open dissipative many-body system.
文献关键词：
中图分类号：
作者姓名：
Peize Ding;Wei Yi
作者机构：
CAS Key Laboratory of Quantum Information,University of Science and Technology of China,Hefei 230026,China;CAS Center For Excellence in Quantum Information and Quantum Physics,Hefei 230026,China
文献出处：
引用格式：
[1]Peize Ding;Wei Yi-.Two-body exceptional points in open dissipative systems)[J].中国物理B（英文版）,2022(01):58-63
A类：
Lindblad
B类：
Two,body,exceptional,points,open,dissipative,systems,We,study,two,Hermitian,physics,context,depicted,by,master,equation,Adopting,minimal,lattice,model,handful,interacting,fermions,single,particle,dissipation,we,show,that,effective,Hamiltonian,gives,rise,scattering,states,interaction,dependent,parity,transition,resulting,can,extracted,from,trace,preserving,density,matrix,dynamics,same,three,atoms,Our,results,not,only,demonstrate,interplay,symmetry,exact,few,level,but,also,serve,illustration,key,features,probed,many
AB值：
0.586526
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