On adiabatic perturbation theory for the energy eigenvalue problem
| Authors |
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| Publication date |
1978
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| Journal |
Physica A : Statistical Mechanics and its Applications
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| Volume | Issue number |
93
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| Pages (from-to) |
559-573
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| Number of pages |
15
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| Organisations |
-
Faculty of Science (FNWI) - Institute of Physics (IoP) - Institute for Theoretical Physics Amsterdam (ITFA)
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| Abstract |
The adiabatic perturbation formalism is used to derive several alternative expressions for the effective Hamiltonian of a discrete energy level. In the nondegenerate case these expressions may be cast in the form of linked-cluster expansions. The connection between the energy shifts and the scattering matrix is investigated
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| Document type |
Article
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| Published at |
https://doi.org/10.1016/0378-4371(78)90176-0
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