典型文献
Dynamics of the Entanglement Zero Modes in the Haldane Model under a Quantum Quench
文献摘要:
We investigate evolution of entanglement spectra of the Haldane model for Chern insulators upon a sudden quench within the same topological phase.In particular,we focus on the location of the entanglement spectrum crossing,which signifies the bulk topology.It is shown that the coplanarity condition for the pseudomagnetic field of the model,which can be used to determine the crossing in the equilibrium case,needs to be relaxed.We analytically derive the non-equilibrium condition with the help of an edge-state wave function ansatz and a dynamically induced length-scale cutoff.With spectral analyses,it is realized that the oscillatory behavior of the crossing is dominated by the interband excitations at the van Hove singularities.
文献关键词:
中图分类号:
作者姓名:
Heng-Xi Ji;Lin-Han Mo;Xin Wan
作者机构:
Zhejiang Institute of Modern Physics,Zhejiang University,Hangzhou 310027,China;CAS Center for Excellence in Topological Quantum Computation,University of Chinese Academy of Sciences,Beijing 100190,China
文献出处:
引用格式:
[1]Heng-Xi Ji;Lin-Han Mo;Xin Wan-.Dynamics of the Entanglement Zero Modes in the Haldane Model under a Quantum Quench)[J].中国物理快报(英文版),2022(03):1-5
A类:
Quench,coplanarity,pseudomagnetic,Hove
B类:
Dynamics,Entanglement,Zero,Modes,Haldane,Model,under,Quantum,We,investigate,evolution,entanglement,model,Chern,insulators,upon,sudden,quench,within,same,topological,phase,In,particular,we,focus,location,spectrum,crossing,which,signifies,bulk,topology,It,is,shown,that,condition,field,can,used,determine,equilibrium,case,needs,relaxed,analytically,derive,help,edge,state,wave,function,ansatz,dynamically,induced,length,scale,cutoff,With,spectral,analyses,realized,oscillatory,behavior,dominated,by,interband,excitations,van,singularities
AB值:
0.64692
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