The Born rule -- 100 years ago and today
Fuente:
arXiv
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866915210963451904 |
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| author | Neumaier, Arnold |
| author_facet | Neumaier, Arnold |
| contents | Details of the contents and the formulations of the Born rule changed considerably from its inception by Born in 1926 to the present day. This paper traces the early history of the Born rule 100 years ago, its generalization (essential for today's quantum optics and quantum information theory) to POVMs around 50 years ago, and a modern derivation from an intuitive definition of the notion of a quantum detector. It is based to a large extent on little known results from the recent books 'Coherent Quantum Physics' (2019) by A. Neumaier and 'Algebraic Quantum Physics, Vol. 1' (2024) by A. Neumaier and D. Westra,
Also discussed is the extent to which the various forms of the Born rule have, like any other statement in physics, a restricted domain of validity, which leads to problems when applied outside this domain. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_08545 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Born rule -- 100 years ago and today Neumaier, Arnold Quantum Physics 81-03, 81P10, 81P15 Details of the contents and the formulations of the Born rule changed considerably from its inception by Born in 1926 to the present day. This paper traces the early history of the Born rule 100 years ago, its generalization (essential for today's quantum optics and quantum information theory) to POVMs around 50 years ago, and a modern derivation from an intuitive definition of the notion of a quantum detector. It is based to a large extent on little known results from the recent books 'Coherent Quantum Physics' (2019) by A. Neumaier and 'Algebraic Quantum Physics, Vol. 1' (2024) by A. Neumaier and D. Westra, Also discussed is the extent to which the various forms of the Born rule have, like any other statement in physics, a restricted domain of validity, which leads to problems when applied outside this domain. |
| title | The Born rule -- 100 years ago and today |
| topic | Quantum Physics 81-03, 81P10, 81P15 |
| url | https://arxiv.org/abs/2502.08545 |