Difficulty with a kinematic concept of unstable particles: the Sz.-Nagy extension and the Matthews-Salam-Zwanziger representation

DOI10.1007/BF01645753zbMath0209.45102OpenAlexW1999775775MaRDI QIDQ2543885

David N. Williams

Publication date: 1971

Published in: Communications in Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01645753

Mathematics Subject Classification ID

One-parameter semigroups and linear evolution equations (47D06) Spectrum, resolvent (47A10) Groups and semigroups of linear operators (47D03) Dilations, extensions, compressions of linear operators (47A20) Representation theory of linear operators (47A67)

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Cites Work

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• Quantum Field Theory of Unstable Particles
• Relativistic Field Theory of Unstable Particles
• On the description of unstable particles in quantum field theory
• Representations of the Lorentz Group Corresponding to Unstable Particles
• Representations of the Poincaré group associated to complex energy-momentum
• On a Factor Automorphism of a Normal Dynamical System
• Nonunitary representations of the Poincaré group and field theory of unstable particles

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