Dieks, Dennis and Versteegh, Marijn (2007) Identical Particles and Weak Discernibility. [Preprint]
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Abstract
Saunders has recently claimed that ``identical quantum particles'' with an anti-symmetric state (fermions) are weakly discernible objects, just like irreflexively related ordinary objects in situations with perfect symmetry (Black's spheres, for example). Weakly discernible objects have all their qualitative properties in common but nevertheless differ from each other by virtue of (a generalized version of) Leibniz's principle, since they stand in relations an entity cannot have to itself. This notion of weak discernibility has been criticized as question begging, but we defend and accept it for classical cases likes Black's spheres. We argue, however, that the quantum mechanical case is different. Here the application of the notion of weak discernibility indeed is question begging and in conflict with standard interpretational ideas. We conclude that the introduction of the conceptual resource of weak discernibility does not change the interpretational status quo in quantum mechanics.
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| Item Type: | Preprint | |||||||||
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| Keywords: | Identical particles, Leibniz's Principle, Weak Discernibility | |||||||||
| Subjects: | Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Quantum Field Theory |
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| Depositing User: | Dennis Dieks | |||||||||
| Date Deposited: | 17 Oct 2007 | |||||||||
| Last Modified: | 07 Oct 2010 15:15 | |||||||||
| Item ID: | 3598 | |||||||||
| Subjects: | Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Quantum Field Theory |
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| Date: | October 2007 | |||||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/3598 |
Available Versions of this Item
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Identical Quantum Particles and Weak Discernibility. (deposited 03 Mar 2007)
- Identical Particles and Weak Discernibility. (deposited 17 Oct 2007) [Currently Displayed]
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