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

Authors
Publication date 1978
Journal Chemical Physics Letters
Volume | Issue number 58
Pages (from-to) 385-388
Number of pages 4
Organisations
  • Faculty of Science (FNWI) - Institute of Physics (IoP) - Institute for Theoretical Physics Amsterdam (ITFA)
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
Document type Article
Published at https://doi.org/10.1016/0009-2614(78)85058-1
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