Charis, Anastopoulos and Konstantina, Savvidou (2021) Quantum Information in Relativity: The Challenge of QFT Measurements. Entropy, 24 (4). ISSN 1099-4300
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Abstract
Proposed quantum experiments in deep space will be able to explore quantum information issues in regimes where relativistic effects are important. In this essay, we argue that a proper extension of quantum information theory into the relativistic domain requires the expression of all informational notions in terms of quantum field theoretic (QFT) concepts. This task requires a working and practicable theory of QFT measurements. We present the foundational problems in constructing such a theory, especially in relation to longstanding causality and locality issues in the foundations of QFT. Finally, we present the ongoing Quantum Temporal Probabilities program for constructing a measurement theory that (i) works, in principle, for any QFT, (ii) allows for a first- principles investigation of all relevant issues of causality and locality, and (iii) it can be directly applied to experiments of current interest.
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| Item Type: | Published Article or Volume | |||||||||
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| Keywords: | quantum measurements, foundations of quantum field theory | |||||||||
| Subjects: | Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Quantum Mechanics |
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| Depositing User: | Dr Charis Anastopoulos | |||||||||
| Date Deposited: | 09 Jun 2022 13:03 | |||||||||
| Last Modified: | 09 Jun 2022 13:03 | |||||||||
| Item ID: | 20686 | |||||||||
| Journal or Publication Title: | Entropy | |||||||||
| Publisher: | mdpi | |||||||||
| Official URL: | https://www.mdpi.com/1099-4300/24/1/4 | |||||||||
| DOI or Unique Handle: | https://doi.org/10.3390/e24010004 | |||||||||
| Subjects: | Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Quantum Mechanics |
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| Date: | 21 December 2021 | |||||||||
| Volume: | 24 | |||||||||
| Number: | 4 | |||||||||
| ISSN: | 1099-4300 | |||||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/20686 |
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