Measurement Schemes in AQFT, Contextuality and the Wigner's Friend Gedankenexperiment
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arXiv
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866909123408297984 |
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| author | Alves, Felipe Dilho |
| author_facet | Alves, Felipe Dilho |
| contents | Measurements have historically presented a problem for the consistent description of quantum theories, be it in non-relativistic quantum mechanics or in quantum field theory. Drawing on a recent surge of interest in the description of measurements in Algebraic Quantum Field theory, it was decided that this dissertation would be focused on trying to close the gap between the description of measurements proposed by K. Hepp in the 70's, considering decoherence of states in quasilocal algebras and the new framework of generally covariant measurement schemes proposed recently by C. Fewster and R. Verch. Another recent result that we shall also consider is the Frauchinger-Renner Gedankenexperiment, that has taken inspiration on Hepp's article about decoherence based measurements to arrive at a no-go result about the consistency of quantum descriptions of systems containing rational agents, we shall seek to provide a closure for the interpretation of this result. In doing so we naturally arrive at the study of the contextual properties of measurement setups. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_19235 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Measurement Schemes in AQFT, Contextuality and the Wigner's Friend Gedankenexperiment Alves, Felipe Dilho Mathematical Physics Operator Algebras Quantum Physics 81T05 (Primary) 81P10, 81P13, 81P15, 81Q10, 81R15 (Secondary) Measurements have historically presented a problem for the consistent description of quantum theories, be it in non-relativistic quantum mechanics or in quantum field theory. Drawing on a recent surge of interest in the description of measurements in Algebraic Quantum Field theory, it was decided that this dissertation would be focused on trying to close the gap between the description of measurements proposed by K. Hepp in the 70's, considering decoherence of states in quasilocal algebras and the new framework of generally covariant measurement schemes proposed recently by C. Fewster and R. Verch. Another recent result that we shall also consider is the Frauchinger-Renner Gedankenexperiment, that has taken inspiration on Hepp's article about decoherence based measurements to arrive at a no-go result about the consistency of quantum descriptions of systems containing rational agents, we shall seek to provide a closure for the interpretation of this result. In doing so we naturally arrive at the study of the contextual properties of measurement setups. |
| title | Measurement Schemes in AQFT, Contextuality and the Wigner's Friend Gedankenexperiment |
| topic | Mathematical Physics Operator Algebras Quantum Physics 81T05 (Primary) 81P10, 81P13, 81P15, 81Q10, 81R15 (Secondary) |
| url | https://arxiv.org/abs/2402.19235 |