descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1978 English Publisher:Elsevier BVJournal:Chemical Physics Letters, volume 58, pages 385-388 (issn: 0009-2614,

Authors: Michels, M.A.J.; Suttorp, L.G.;

doi: 10.1016/0009-2614(78)85058-1

handle: 11245/1.428773

Diagrammatic analysis of adiabatic and time-independent perturbation theory for degenerate energy levels

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Abstract

Time-ordered folded diagrams are used to represent the effective hamiltonian in the adiabatic formalism. Resummation of the diagrams is shown to give a term-by-term correspondence with time-independent perturbation theory

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University of Amsterdam
Netherlands

Keywords

540, 530

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