Strong approximation of time evolution operators for a finite system of oscillators with nonlinear coupling

DOI10.1063/1.526558zbMath0604.46078OpenAlexW2109848013MaRDI QIDQ3742189

Helmut Kroeger

Publication date: 1985

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

Full work available at URL: https://doi.org/10.1063/1.526558

zbMATH Keywords

projectorsS matrixFock spacetime evolution operatoreigenrepresentationfinite number of oscillators with a nonlinear interactionstrongly approximatable by exponentials of self-adjoint finite-rank operators

Mathematics Subject Classification ID

(S)-matrix theory, etc. in quantum theory (81U20) Miscellaneous applications of functional analysis (46N99) (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70)

Cites Work

• Finite rank approximation of wave operators for short-range and Coulomb interactions
• On the wave operator in few-body quantum scattering with Coulomb-like interactions
• Strong approximation of wave operators for short range and Coulomb interactions

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