Wallace, David (2022) On the reality of the global phase. [Preprint]
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Abstract
I respond to a recent argument by David Schroeren (Phil.Sci., forthcoming; philsci-archive.pitt.edu/20419/) that - contrary to a very wide consensus - global phase in quantum mechanics is real. I argue that Schroeren's argument rests on a mistaken assumption about projective representation theory and that, when this is corrected, the argument no longer follows. In doing so I give a brief introduction to projective representation theory.
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| Item Type: | Preprint | ||||||
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| Keywords: | projective representations representation theory phase quantum mechanics symmetry | ||||||
| Subjects: | Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Symmetries/Invariances |
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| Depositing User: | Professor David Wallace | ||||||
| Date Deposited: | 16 Apr 2022 04:13 | ||||||
| Last Modified: | 16 Apr 2022 04:13 | ||||||
| Item ID: | 20455 | ||||||
| Subjects: | Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Symmetries/Invariances |
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| Date: | April 2022 | ||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/20455 |
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