Nonstationary perturbations theory for the energy shifts of a degenerate level

DOI10.1007/BF01029062zbMath0413.47020OpenAlexW2049774651MaRDI QIDQ1260583

A. N. Vasil'ev, A. L. Kitanin

Publication date: 1976

Published in: Theoretical and Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01029062

zbMATH Keywords

evolution operatorinteraction representationenergy shiftsnonstationary perturbation

Mathematics Subject Classification ID

Operations with distributions and generalized functions (46F10) Perturbation theory of linear operators (47A55) Equations and inequalities involving linear operators, with vector unknowns (47A50)

Cites Work

• The description of collective motions in terms of many-body perturbation theory
• Bound States in Quantum Field Theory

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