Field, Grace (2022) On the status of quantum tunnelling time. [Preprint]
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Abstract
How long does a quantum particle take to traverse a classically forbidden energy barrier? In other words, what is the correct expression for quantum tunnelling time? This seemingly simple question has inspired widespread debate in the physics literature. I argue that we should not expect the orthodox interpretation of quantum mechanics to provide a unique correct expression for quantum tunnelling time, because to do so it would have to provide a unique correct answer to a question whose assumptions are in tension with its core interpretational commitments. I explain how this conclusion connects to time’s special status in quantum mechanics, the meaningfulness of classically inspired concepts in different interpretations of quantum mechanics, the prospect of constructing experimental tests to distinguish between different interpretations, and the status of weak measurement in resolving questions about the histories of subensembles.
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| Item Type: | Preprint | ||||||
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| Keywords: | quantum tunnelling; time in quantum mechanics; interpretations of quantum mechanics; de Broglie-Bohm theory; weak measurement; crucial experiments | ||||||
| Subjects: | General Issues > Determinism/Indeterminism Specific Sciences > Physics Specific Sciences > Physics > Quantum Mechanics |
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| Depositing User: | Miss Grace Field | ||||||
| Date Deposited: | 03 Jul 2022 03:51 | ||||||
| Last Modified: | 03 Jul 2022 03:51 | ||||||
| Item ID: | 20829 | ||||||
| Subjects: | General Issues > Determinism/Indeterminism Specific Sciences > Physics Specific Sciences > Physics > Quantum Mechanics |
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| Date: | 30 June 2022 | ||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/20829 |
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