dorsal/arxiv
View SchemaNonlocality and information flow: The approach of Deutsch and Hayden
| Authors | C. G. Timpson |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0312155 |
| URL | https://arxiv.org/abs/quant-ph/0312155 |
| DOI | 10.1007/s10701-004-1946-1 |
| Journal | Foundations of Physics 35(2):313-343 (2005) |
Abstract
Deutsch and Hayden claim to have provided an account of quantum mechanics which is particularly local, and which clarifies the nature of information transmission in entangled quantum systems. In this paper, a perspicuous description of their formalism is offered and their claim assessed. It proves essential to distinguish, as Deutsch and Hayden do not, between two ways of interpreting the formalism. On the first, conservative, interpretation, no benefits with respect to locality accrue that are not already available on either an Everettian or a statistical interpretation; and the conclusions regarding information flow are equivocal. The second, ontological, interpretation, offers a framework with the novel feature that global properties of quantum systems are reduced to local ones; but no conclusions follow concerning information flow in more standard quantum mechanics.
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"abstract": "Deutsch and Hayden claim to have provided an account of quantum mechanics\nwhich is particularly local, and which clarifies the nature of information\ntransmission in entangled quantum systems. In this paper, a perspicuous\ndescription of their formalism is offered and their claim assessed. It proves\nessential to distinguish, as Deutsch and Hayden do not, between two ways of\ninterpreting the formalism. On the first, conservative, interpretation, no\nbenefits with respect to locality accrue that are not already available on\neither an Everettian or a statistical interpretation; and the conclusions\nregarding information flow are equivocal. The second, ontological,\ninterpretation, offers a framework with the novel feature that global\nproperties of quantum systems are reduced to local ones; but no conclusions\nfollow concerning information flow in more standard quantum mechanics.",
"arxiv_id": "quant-ph/0312155",
"authors": [
"C. G. Timpson"
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"doi": "10.1007/s10701-004-1946-1",
"journal_ref": "Foundations of Physics 35(2):313-343 (2005)",
"title": "Nonlocality and information flow: The approach of Deutsch and Hayden",
"url": "https://arxiv.org/abs/quant-ph/0312155"
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