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  Quantum theory of an electromagnetic observer: Classically behaving macroscopic systems and the emergence of the classical world in quantum electrodynamics

Plimak, L. I., Ivanov, M., Aiello, A., & Stenholm, S. (2015). Quantum theory of an electromagnetic observer: Classically behaving macroscopic systems and the emergence of the classical world in quantum electrodynamics. PHYSICAL REVIEW A, 92(2): 022122. doi:10.1103/PhysRevA.92.022122.

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 Creators:
Plimak, L. I.1, Author              
Ivanov, Misha2, Author
Aiello, A.3, Author              
Stenholm, S.2, Author
Affiliations:
1Optics Theory Group, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364706              
2external, ou_persistent22              
3Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364705              

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Free keywords: CAUSAL SIGNAL TRANSMISSION; FIELD; MECHANICS; PHOTODETECTION; OSCILLATOROptics; Physics;
 Abstract: Quantum electrodynamics under conditions of distinguishability of interactingmatter entities, and of controlled actions and back-actions between them, is considered. Such "mesoscopic quantum electrodynamics" is shown to share its dynamical structure with the classical stochastic electrodynamics. In formal terms, we demonstrate that all general relations of the mesoscopic quantum electrodynamics may be recast in a form lacking Planck's constant. Mesoscopic quantum electrodynamics is therefore subject to "doing quantum electrodynamics while thinking classically," allowing one to substitute essentially classical considerations for quantum ones without any loss in generality. Implications of these results for the quantum measurement theory are discussed.

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Language(s): eng - English
 Dates: 2015
 Publication Status: Published online
 Pages: 21
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

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Title: PHYSICAL REVIEW A
Source Genre: Journal
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Publ. Info: ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA : AMER PHYSICAL SOC
Pages: - Volume / Issue: 92 (2) Sequence Number: 022122 Start / End Page: - Identifier: ISSN: 2469-9926