Non-Abelian statistics from an Abelian model

被引:17
|
作者
Wootton, James R. [1 ]
Lahtinen, Ville [1 ]
Wang, Zhenghan [2 ]
Pachos, Jiannis K. [1 ]
机构
[1] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England
[2] Univ Calif Santa Barbara, Stn Q, Microsoft Res, Santa Barbara, CA 93106 USA
来源
PHYSICAL REVIEW B | 2008年 / 78卷 / 16期
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1103/PhysRevB.78.161102
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
It is well known that the Abelian Z(2) anyonic model (toric code) can be realized on a highly entangled two-dimensional spin lattice, where the anyons are quasiparticles located at the end points of stringlike concatenations of Pauli operators. Here we show that the same entangled states of the same lattice are capable of supporting the non-Abelian Ising model, where the concatenated operators are elements of the Clifford group. The Ising anyons are shown to be essentially superpositions of the Abelian toric code anyons, reproducing the required fusion, braiding, and statistical properties. We propose a string framing and ancillary qubits to implement the nontrivial chirality of this model.
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页数:4
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