Non-locality and Gauge Freedom in Deutsch and Hayden’s Formulation of Quantum Mechanics |
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| Authors: | David Wallace Christopher G. Timpson |
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| Affiliation: | (1) Balliol College, University of Oxford, Oxford, OX1 3BJ, UK;(2) Division of History and Philosophy of Science, Department of Philosophy, University of Leeds, Leeds, LS2 9JT, UK |
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| Abstract: | Deutsch and Hayden have proposed an alternative formulation of quantum mechanics which is completely local. We argue that their proposal must be understood as having a form of ‘gauge freedom’ according to which mathematically distinct states are physically equivalent. Once this gauge freedom is taken into account, their formulation is no longer local. |
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| Keywords: | nonlocality gauge dependence Deutsch– Hayden representation |
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