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Standard quantum mechanics featuring probabilities instead of wave functions

机译:标准量子力学以概率而非波函数为特征

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摘要

A new formulation of quantum mechanics (probability representation) is discussed. In this representation, a quantum state is described by a standard positive definite probability distribution (tomogram) rather than by a wave function. An unambiguous relation (analog of Radon transformation) between the density operator and a tomogram is constructed both for continuous coordinates and for spin variables. A novel feature of a state, tomographic entropy, is considered, and its connection with von Neumann entropy is discussed. A one-to-one map of quantum observables (Hermitian operators) on positive probability distributions is found.
机译:讨论了一种新的量子力学表述(概率表示)。在此表示中,量子状态是通过标准的正定概率分布(断层图)而不是波函数来描述的。对于连续坐标和自旋变量,都构造了密度算符和X线断层图之间的明确关系(Radon变换的类似物)。考虑了一种新的状态特征,即层析成像熵,并讨论了它与冯·诺依曼熵的关系。找到了在正概率分布上的量子可观察物(厄密算子)的一对一映射。

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