Generator of an abstract quantum walk

Generator of an abstract quantum walk
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DOI:
10.1007/s40509-016-0070-1
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发表时间:
2015-08
期刊:
Quantum Studies: Mathematics and Foundations
影响因子:
--
通讯作者:
E. Segawa;A. Suzuki
E. Segawa;A. Suzuki
中科院分区:
其他
文献类型:
--
作者:
E. Segawa;A. Suzuki

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借助于抽象Szegedy发展算子的判别算子,给出了该算子的生成元的显式公式。我们还利用RAGE定理的离散模拟,通过判别算符的谱性质刻画了量子步行者的渐近行为。
We give an explicit formula of the generator of an abstract Szegedy evolution operator in terms of the discriminant operator of the evolution. We also characterize the asymptotic behavior of a quantum walker through the spectral property of the discriminant operator by using the discrete analog of the RAGE theorem.