Abstract

As the fundamental theory of quantum information science, recently I proposed the linguistic interpretation of quantum mechanics, which was characterized as the linguistic turn of the Copenhagen interpretation of quantum mechanics. This turn from physics to language does not only extend quantum theory to classical theory but also yield the quantum mechanical world view. Although the wave function collapse (or more generally, the post-measurement state) is prohibited in the linguistic interpretation, in this paper I show that the phenomenon like wave function collapse can be realized. That is, the projection postulate is completely clarified in the linguistic interpretation.

Highlights

  • The Linguistic Interpretation of Quantum MechanicsIn [1]-[4], I proposed quantum language (i.e., the linguistic interpretation of quantum mechanics, or measurement theory), which was characterized as the linguistic turn of the Copenhagen interpretation of quantum mechanics

  • As the fundamental theory of quantum information science, recently I proposed the linguistic interpretation of quantum mechanics, which was characterized as the linguistic turn of the Copenhagen interpretation of quantum mechanics

  • In [1]-[4], I proposed quantum language, which was characterized as the linguistic turn of the Copenhagen interpretation of quantum mechanics

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Summary

The Linguistic Interpretation of Quantum Mechanics

In [1]-[4], I proposed quantum language (i.e., the linguistic interpretation of quantum mechanics, or measurement theory), which was characterized as the linguistic turn of the Copenhagen interpretation of quantum mechanics. This turn from physics to language does extend quantum theory to classical theory and yield the quantum mechanical world view. As mentioned in a later section (Section 1.3 (C)), the wave function collapse (or more generally, the postmeasurement state) is prohibited in the linguistic interpretation. Some asked me “How is the projection postulate?”. This question urges me to write this paper. (2015) Linguistic Interpretation of Quantum Mechanics; Projection Postulate.

Preparations
The Linguistic Interpretation
Problem
Conclusions

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