Measurement and preparation protocols for quantum field theory on curved spacetimes
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866908509560373248 |
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| author | Fewster, Christopher J. |
| author_facet | Fewster, Christopher J. |
| contents | In this conference proceedings contribution, I describe work in progress concerning two problems in the measurement theory of quantum fields. First, it is proved that all local observables can be obtained from local measurement schemes. Second, I describe a protocol for preparing a Hadamard local product state of given Hadamard states relative to the local algebras of specified spacelike separated regions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_21426 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Measurement and preparation protocols for quantum field theory on curved spacetimes Fewster, Christopher J. General Relativity and Quantum Cosmology In this conference proceedings contribution, I describe work in progress concerning two problems in the measurement theory of quantum fields. First, it is proved that all local observables can be obtained from local measurement schemes. Second, I describe a protocol for preparing a Hadamard local product state of given Hadamard states relative to the local algebras of specified spacelike separated regions. |
| title | Measurement and preparation protocols for quantum field theory on curved spacetimes |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2508.21426 |