期刊
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
卷 41, 期 7, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1751-8113/41/7/075001
关键词
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In this work, we illustrate how a Jordan-Wigner transformation combined with symmetry considerations enables a direct solution of Kitaev's model on the honeycomb lattice. We (i) express the p-wave type fermionic ground states of this system in terms of the original spins, (ii) adduce that symmetry alone dictates the existence of string and planar brane type correlators and their composites, (iii) compute the value of such non-local correlators by employing the Jordan-Wigner transformation, (iv) affirm that the spectrum is inconsequential to the existence of topological quantum order and that such information is encoded in the states themselves and (v) express the local symmetries of Kitaev's model and the anyonic character of the excitations in terms of fermions.
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