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On the Possibility That the Present Quantum State of the Universe is the Vacuum

David Z. Albert
PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association
Vol. 1988, Volume Two: Symposia and Invited Papers (1988), pp. 127-133
Stable URL: http://www.jstor.org/stable/192877
Page Count: 7
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On the Possibility That the Present Quantum State of the Universe is the Vacuum
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Abstract

It is inquired how much an observer can ascertain of the quantum state of a system of which he and his measuring apparatus form a part; how much, for example, observers like ourselves can ascertain of the quantum state of the Universe. It turns out that no practicable experiment (and: perhaps, no experiment whatever) can establish that that state is not the vacuum. Some of the implications of this curious result are discussed.

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