Diagrammatic analysis of adiabatic and time-dependent perturbation theory for degenerate energy levels
| Authors |
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| Publication date | 1978 |
| Journal | Chemical Physics Letters |
| Volume | Issue number | 58 |
| Pages (from-to) | 385-388 |
| Number of pages | 4 |
| Organisations |
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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 |
| Document type | Article |
| Published at |
https://doi.org/10.1016/0009-2614(78)85058-1
(Final published version)
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