Branch-point structure and the energy level characterization of avoided crossings (Q2737817)
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scientific article; zbMATH DE number 1639011
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Branch-point structure and the energy level characterization of avoided crossings |
scientific article; zbMATH DE number 1639011 |
Statements
Branch-point structure and the energy level characterization of avoided crossings (English)
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30 August 2001
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square-root branch points
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complex parameter-plane
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hidden crossings
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perturbation series
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diamagnetic hydrogen problem
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