Wigner-Araki-Yanase定理的关系透视
A relational perspective on the Wigner-Araki-Yanase theorem
摘要：
基于量子力学的关系观点，我们对Wigner-Araki-Yanase（WAY）定理给出了一种新的解释。几个模型进行了详细分析，一般的考虑，这有助于说明道德的方式定理可能是，在对称性的存在下，测量仪器必须满足双重目的，既反映了统计行为的系统调查，并作为一个物理参考系服务，以定义这些数量，必须理解为相对的。
英文摘要：
We present a novel interpretation of the Wigner-Araki-Yanase (WAY) theorem based on a relational view of quantum mechanics. Several models are analysed in detail, backed up by general considerations, which serve to illustrate that the moral of the WAY theorem may be that in the presence of symmetry, a measuring apparatus must fulfil the dual purpose of both reflecting the statistical behaviour of the system under investigation, and acting as a physical reference system serving to define those quantities which must be understood as relative.
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