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Measurement and preparation protocols for quantum field theory on curved spacetimes (2508.21426v1)
Published 29 Aug 2025 in gr-qc
Abstract: 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.
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