No Relation for Wigner’s Friend

Leonardo Castellani

doi:10.1007/s10773-021-04826-9

No Relation for Wigner’s Friend

Leonardo Castellani

Department of Science and Technological Innovation

Research output: Contribution to journal › Article › peer-review

Abstract

We argue that Wigner’s friend thought experiment does not support observer dependence of quantum states. An analysis in terms of history vectors suggests that quantum collapse is to be understood as collapse of histories rather than collapse of states.

Original language	English
Pages (from-to)	2084-2089
Number of pages	6
Journal	International Journal of Theoretical Physics
Volume	60
Issue number	6
DOIs	https://doi.org/10.1007/s10773-021-04826-9
Publication status	Published - Jun 2021

Keywords

History approach
Quantum measurement
Quantum mechanics

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10.1007/s10773-021-04826-9

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title = "No Relation for Wigner{\textquoteright}s Friend",

abstract = "We argue that Wigner{\textquoteright}s friend thought experiment does not support observer dependence of quantum states. An analysis in terms of history vectors suggests that quantum collapse is to be understood as collapse of histories rather than collapse of states.",

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KW - Quantum mechanics

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JO - International Journal of Theoretical Physics

JF - International Journal of Theoretical Physics

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No Relation for Wigner’s Friend

Abstract

Keywords

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