Eliminating the 'impossible': Recent progress on local measurement theory for quantum field theory
M Papageorgiou, D Fraser - Foundations of Physics, 2024 - Springer
Abstract Arguments by Sorkin (Impossible measurements on quantum fields. In: Directions in
general relativity: proceedings of the 1993 International Symposium, Maryland, vol 2, pp 293 …
general relativity: proceedings of the 1993 International Symposium, Maryland, vol 2, pp 293 …
A detector-based measurement theory for quantum field theory
We propose a measurement theory for quantum fields based on measurements made with
localized nonrelativistic systems that couple covariantly to quantum fields (like the Unruh …
localized nonrelativistic systems that couple covariantly to quantum fields (like the Unruh …
Note on episodes in the history of modeling measurements in local spacetime regions using QFT
D Fraser, M Papageorgiou - The European Physical Journal H, 2023 - Springer
The formulation of a measurement theory for relativistic quantum field theory (QFT) has
recently been an active area of research. In contrast to the asymptotic measurement …
recently been an active area of research. In contrast to the asymptotic measurement …
Quantum delocalization, gauge, and quantum optics: Light-matter interaction in relativistic quantum information
R Lopp, E Martín-Martínez - Physical Review A, 2021 - APS
We revisit the interaction of a first-quantized atomic system (consisting of two charged
quantum particles) with the quantum electromagnetic field, pointing out the subtleties related …
quantum particles) with the quantum electromagnetic field, pointing out the subtleties related …
When entanglement harvesting is not really harvesting
We revisit the entanglement harvesting protocol when two detectors are in causal contact.
We study the role of field-mediated communication in generating entanglement between the …
We study the role of field-mediated communication in generating entanglement between the …
General relativistic quantum optics: Finite-size particle detector models in curved spacetimes
We propose a fully covariant model for smeared particle detectors in quantum field theory in
curved spacetimes. We show how effects related to accelerated motion of the detector and …
curved spacetimes. We show how effects related to accelerated motion of the detector and …
Harvesting correlations in Schwarzschild and collapsing shell spacetimes
A bstract We study the harvesting of correlations by two Unruh-DeWitt static detectors from
the vacuum state of a massless scalar field in a background Vaidya spacetime consisting of …
the vacuum state of a massless scalar field in a background Vaidya spacetime consisting of …
Harvesting entanglement from the black hole vacuum
We implement the entanglement harvesting protocol, in which two Unruh–DeWitt detectors
become entangled through local interactions with a quantum field, for the first time in the …
become entangled through local interactions with a quantum field, for the first time in the …
Channel capacity of relativistic quantum communication with rapid interaction
In this work we study nonperturbatively the transmission of classical and quantum
information in globally hyperbolic spacetimes, where the communication channel is between …
information in globally hyperbolic spacetimes, where the communication channel is between …
Relativistic causality in particle detector models: Faster-than-light signaling and impossible measurements
We analyze potential violations of causality in Unruh DeWitt-type detector models in
relativistic quantum information. We proceed by first studying the relation between faster …
relativistic quantum information. We proceed by first studying the relation between faster …