The Witten index for 1D supersymmetric quantum walks with anisotropic coins
The Witten index for 1D supersymmetric quantum walks with anisotropic coins
复制标题
各向异性硬币一维超对称量子行走的威滕指数
DOI:
10.1007/s11128-019-2485-1
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发表时间:
2019
影响因子:
2.5
通讯作者:
Tanaka Yohei
中科院分区:
文献类型:
--
作者:
Suzuki Akito;Tanaka Yohei
Chiral symmetric discrete-time quantum walks possess supersymmetry, and their associated Witten indices can be naturally defined. The Witten index is known to give a lower bound for the number of topologically protected bound states. The purpose of this paper is to give a complete classification of the Witten index for a one-dimensional split-step quantum walk. It turns out that the Witten index of this model exhibits a striking similarity to that of a Dirac particle model in supersymmetric quantum mechanics.
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影响因子:
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作者:
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影响因子:
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作者:
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DOI:
--
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2017
期刊:
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