Algebraic structures in QFT in the presence of a quantum reference frame
- Date
- October 9 (Thu) 14:00 - 15:00, 2025 (JST)
- Speaker
-
- Kasia Rejzner (Professor, Department of Mathematics, University of York, UK)
- Venue
- Seminar Room #359 (Main Venue)
- via Zoom
- Language
- English
- Host
- Christy Koji Kelly
In this talk I will show how operational description of measurement with the use of quantum reference frames (QRF) affects the algebraic structure of quantum field theory (QFT). I will focus on the example of a quantum clock coupled to a QFT on de Sitter spacetime, previously discussed by Chandrasekaran, Longo, Pennington and Witten. This talk is based on my recent work with Chris Fewster, Daan Janssen, Leon Loveridge and James Waldron.
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