Time evolution in an external field: The unitarity paradox

DOI10.1006/aphy.2000.6101zbMath1030.81009arXivhep-th/0002108OpenAlexW2154829762MaRDI QIDQ5934240

O. Yu. Shvedon

Publication date: 6 February 2004

Published in: Annals of Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/0002108

zbMATH Keywords

perturbation theoryaxiomatic relativistic quantum field theoryexactly solvable modelfoundations of quantum field theorynonperturbative QFTnonunitary Bogoliubov canonical transformationstrong external classical electromagnetic fieldWightman approach

Mathematics Subject Classification ID

General and philosophical questions in quantum theory (81P05) Axiomatic quantum field theory; operator algebras (81T05) Nonperturbative methods of renormalization applied to problems in quantum field theory (81T16) Quantum measurement theory, state operations, state preparations (81P15)

Related Items (1)

Renormalization of Poincaré transformations in Hamiltonian semiclassical field theory

Cites Work

• Models of Gross-Neveu type are quantization of a classical mechanics with nonlinear phase space
• Motivations and physical aims of algebraic QFT
• Quantum Field Theory in Terms of Vacuum Expectation Values
• An Algebraic Approach to Quantum Field Theory
• Relativistic Quantum Theory for Finite Time Intervals
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