Protective Measurement and the Meaning of the Wave Function

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Gao, Shan
preprint description
This article introduces the method of protective measurement and discusses its possible implications for the meaning of the wave function. It is argued that the results of protective measurements as predicted by quantum mechanics imply that the wave function of a quantum system is a representation of the physical state of the system, and a further analysis of the mass and charge distribution of the system, which is measurable by protective measurements, may also help determine what physical state the wave function represents.