量子退相干
量子非定域性
物理
量子力学
实现(概率)
量子耗散
量子
量子纠错
开放量子系统
统计物理学
量子纠缠
理论物理学
数学
统计
出处
期刊:Physical review
日期:2023-10-03
卷期号:108 (4)
标识
DOI:10.1103/physreva.108.043701
摘要
Quantum decoherence tends to bring about the emergence of the classical from the quantum world through the interaction of a quantum system with the environment, which is the main impediment to the realization of quantum information processing. Counterintuitively, we propose that the decoherence enables the creation of a bright source of strongly sub-Poissonian nonlocality. The absence of the decoherence makes such a source impossible. Decoherence is devised to be adjustable and manipulable on the basis of the dressed-atom approach and combination mode technique. The strong sub-Poissonianity and robust Bell violation are originated from the large squeezing parameter of the reservoir pertaining to the controllable decoherence within the framework of the reservoir theory.
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