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The Case against Factorism

Muller, F.A. and Leegwater, G. (2020) The Case against Factorism. Journal for the General Philosophy of Science [special issue]. pp. 1-16.

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Abstract

We discuss the case against Factorism, which is the standard assumption in quantum mechanics that the labels of the ⊗-factor Hilbert-spaces in direct-product Hilbert-spaces of composite physical systems of similar particles refer to particles, either directly or descriptively. We distinguish different versions of Factorism and argue for their truth or falsehood. In particular, by introducing the concepts of snapshot Hilbert-space and Schrödinger- movie, we demonstrate that there are Hilbert-spaces and ⊗-factorisations where the labels do refer, even descriptively, to similar particles, which renders them probabilistically absolutely discernible


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Item Type: Published Article or Volume
Creators:
CreatorsEmailORCID
Muller, F.A.f.a.muller@uu.nl
Leegwater, G.
Keywords: quantum mechanics, elementary particles, identical particles, similar particles, anti-symmetric states, factorism
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Quantum Mechanics
Depositing User: F.A. Muller
Date Deposited: 08 Aug 2020 02:23
Last Modified: 08 Aug 2020 02:23
Item ID: 17706
Journal or Publication Title: Journal for the General Philosophy of Science [special issue]
Publisher: Springer [open access]
Official URL: https://link.springer.com/article/10.1007/s10838-0...
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Quantum Mechanics
Date: 5 August 2020
Page Range: pp. 1-16
URI: https://philsci-archive-dev.library.pitt.edu/id/eprint/17706

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