Open Quantum Walks: a short introduction
classification
🪐 quant-ph
keywords
quantumoqwswalksopenbasiccompletelyconceptdiscrete
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The concept of open quantum walks (OQW), quantum walks exclusively driven by the interaction with the external environment, is reviewed. OQWs are formulated as discrete completely positive maps on graphs. The basic properties of OQWs are summarised and new examples of OQWs on $\mathbb{Z}$ and their simulation by means of quantum trajectories are presented.
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