Entanglement spectrum of non-Abelian anyons

被引:0
|
作者
Wu, Ying-Hai [1 ,2 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China
基金
中国国家自然科学基金;
关键词
fractional quantum Hall effect; anyons; entanglement spectrum; topological order; INCOMPRESSIBLE QUANTUM FLUID; FRACTIONAL STATISTICS; EDGE EXCITATIONS; STATES;
D O I
10.1088/1674-1056/ac280d
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Non-Abelian anyons can emerge as fractionalized excitations in two-dimensional systems with topological order. One important example is the Moore-Read fractional quantum Hall state. Its quasihole states are zero-energy eigenstates of a parent Hamiltonian, but its quasiparticle states are not. Both of them can be modeled on an equal footing using the bipartite composite fermion method. We study the entanglement spectrum of the cases with two or four non-Abelian anyons. The counting of levels in the entanglement spectrum can be understood using the edge theory of the Moore-Read state, which reflects the topological order of the system. It is shown that the fusion results of two non-Abelian anyons is determined by their distributions in the bipartite construction.
引用
收藏
页数:7
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