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