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A tale of two detector models: Causal structure and measurements in quantum fields Martin-Martinez, Eduardo
Description
We will discuss how relativistic causality and covariance play a role in the measurement problem in quantum fields and even in our ability to put information into a quantum field. We will compare the Fewster-Verch formalism with the Unruh-DeWitt-like (UDW) particle detector models. We will discuss the limitations of both measurement frameworks as well as the typical abuses that are often made with Unruh-DeWitt-like detector models and how they matter in general relativistic scenarios. Finally we will discuss the claim in [arXiv:2103.13400] that weakly coupled detectors cannot harvest entanglement and show what is the effect of that claim, if any, on the feasibility of entanglement harvesting with particle detectors.
Item Metadata
| Title |
A tale of two detector models: Causal structure and measurements in quantum fields
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| Creator | |
| Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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| Date Issued |
2021-06-01T16:31
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| Description |
We will discuss how relativistic causality and covariance play a role in the measurement problem in quantum fields and even in our ability to put information into a quantum field. We will compare the Fewster-Verch formalism with the Unruh-DeWitt-like (UDW) particle detector models. We will discuss the limitations of both measurement frameworks as well as the typical abuses that are often made with Unruh-DeWitt-like detector models and how they matter in general relativistic scenarios. Finally we will discuss the claim in [arXiv:2103.13400] that weakly coupled detectors cannot harvest entanglement and show what is the effect of that claim, if any, on the feasibility of entanglement harvesting with particle detectors.
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| Extent |
31.0 minutes
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| Subject | |
| Type | |
| File Format |
video/mp4
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| Language |
eng
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| Notes |
Author affiliation: University of Waterloo
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| Series | |
| Date Available |
2023-10-21
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| Provider |
Vancouver : University of British Columbia Library
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| Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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| DOI |
10.14288/1.0437256
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| URI | |
| Affiliation | |
| Peer Review Status |
Unreviewed
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| Scholarly Level |
Researcher
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| Rights URI | |
| Aggregated Source Repository |
DSpace
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Rights
Attribution-NonCommercial-NoDerivatives 4.0 International