Decoherent quantum walks driven by a generic coin operation
作者： G. Abal , R. Donangelo , F. Severo , R. Siri
DOI: 10.1016/J.PHYSA.2007.08.058
关键词: Mathematics 、 Random walk 、 Subspace topology 、 Quantum mechanics 、 Quantum decoherence 、 Noise (electronics) 、 Quantum information 、 Quantum walk 、 Event (probability theory) 、 Chain (algebraic topology)
摘要: Abstract We consider the effect of different unitary noise mechanisms on evolution a quantum walk (QW) linear chain with generic coin operation: (i) bit-flip channel noise, restricted to subspace QW and (ii) topological caused by randomly broken links in chain. Similarities differences respective decoherent dynamics walker as function probability per unit time event taking place are discussed.
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