Simulating Open Quantum Systems with Hamiltonian Ensembles and the Nonclassicality of the Dynamics

Hong Bin Chen, Clemens Gneiting, Ping Yuan Lo, Yueh Nan Chen, Franco Nori

研究成果: Article同行評審

27 引文 斯高帕斯(Scopus)

摘要

The incoherent dynamical properties of open quantum systems are generically attributed to an ongoing correlation between the system and its environment. Here, we propose a novel way to assess the nature of these system-environment correlations by examining the system dynamics alone. Our approach is based on the possibility or impossibility to simulate open-system dynamics with Hamiltonian ensembles. As we show, such (im)possibility to simulate is closely linked to the system-environment correlations. We thus define the nonclassicality of open-system dynamics in terms of the nonexistence of a Hamiltonian-ensemble simulation. This classifies any nonunital open-system dynamics as nonclassical. We give examples for open-system dynamics that are unital and classical, as well as unital and nonclassical.

原文English
文章編號030403
期刊Physical review letters
120
發行號3
DOIs
出版狀態Published - 2018 一月 19

All Science Journal Classification (ASJC) codes

  • 物理與天文學 (全部)

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