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  Particle detectors under chronological hazard

Alonso-Serrano, A., Tjoa, E., Garay, L. J., & Martín-Martínez, E. (2024). Particle detectors under chronological hazard. Journal of High Energy Physics, 2024(07): 001. doi:10.1007/JHEP07(2024)001.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000F-AD12-A Version Permalink: https://hdl.handle.net/21.11116/0000-000F-AD16-6
Genre: Journal Article

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 Creators:
Alonso-Serrano, Ana1, Author           
Tjoa, Erickson, Author
Garay, Luis J., Author
Martín-Martínez, Eduardo, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: Quantum Physics, quant-ph,General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Theory, hep-th
 Abstract: We analyze how the presence of closed timelike curves (CTCs) characterizing a
time machine can be discerned by placing a local particle detector in a region
of spacetime which is causally disconnected from the CTCs. Our study shows that
not only can the detector tell if there are CTCs, but also that the detector
can separate topological from geometrical information and distinguish periodic
spacetimes without CTCs (like the Einstein cylinder), curvature, and spacetimes
with topological identifications that enable time-machines.

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 Dates: 2024-02-272024-07-182024
 Publication Status: Issued
 Pages: 20 pages, 3 figures; v2: fixed typos and updated to match published version
 Publishing info: -
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 Identifiers: arXiv: 2402.17825
DOI: 10.1007/JHEP07(2024)001
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2024 (07) Sequence Number: 001 Start / End Page: - Identifier: -