The Universe as a Detector: A Quantum Filtering Formulation of the Diósi-Penrose Model
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914514164776960 |
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| author | Gough, John Rees, Dylon |
| author_facet | Gough, John Rees, Dylon |
| contents | We consider the Diósi-Penrose problem but rather than postulating background gravitational fluctuations, we instead consider the quantum filter that arises from space-time homodyning the continuum of output quadrature described in the open quantum stochastic model presented here. This is described by a quantum Kushner-Stratonovich equation, typical of the form appearing in continuous-time collapse of the wave-function models in Quantum Decoherence Theory |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_17384 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The Universe as a Detector: A Quantum Filtering Formulation of the Diósi-Penrose Model Gough, John Rees, Dylon Quantum Physics General Relativity and Quantum Cosmology We consider the Diósi-Penrose problem but rather than postulating background gravitational fluctuations, we instead consider the quantum filter that arises from space-time homodyning the continuum of output quadrature described in the open quantum stochastic model presented here. This is described by a quantum Kushner-Stratonovich equation, typical of the form appearing in continuous-time collapse of the wave-function models in Quantum Decoherence Theory |
| title | The Universe as a Detector: A Quantum Filtering Formulation of the Diósi-Penrose Model |
| topic | Quantum Physics General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2601.17384 |