量子影响与事件相对性
Quantum influences and event relativity
AI总结：
本研究结合扩展维格纳的朋友场景与量子因果建模，提出融合关系量子力学和自洽历史思想的量子理论新诠释，构建精确数学形式，实现量子现象建模、悖论规避、场景分类及无量子态下的退相干研究。
摘要：
我们结合扩展版Wigner's friend（维格纳的朋友）场景与量子因果建模的洞见，提出了一种量子理论的新诠释。该诠释融合了关系量子力学与自洽历史的思想，认为事件是相对于一组系统而存在的，对应于由因果结构选定的投影算符。我们通过精确的数学形式体系阐明了这些思想。利用该形式体系，我们通过具体示例与一般性构造证明：如何对量子现象建模并规避悖论；如何对不同场景分类并拓展量子因果模型框架；以及如何在不依赖量子态的前提下研究退相干与涌现的经典性。
英文摘要：
We develop a new interpretation of quantum theory by combining insights from extended Wigner's friend scenarios and quantum causal modelling. In this interpretation, which synthesizes ideas from relational quantum mechanics and consistent histories, events obtain relative to a set of systems, and correspond to projectors that are picked out by causal structure. We articulate these ideas using a precise mathematical formalism. Using this formalism, we show through specific examples and general constructions how quantum phenomena can be modelled and paradoxes avoided; how different scenarios may be classified and the framework of quantum causal models extended; and how one can approach decoherence and emergent classicality without relying on quantum states.
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