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A perturbation theory for identifying quasi-coupled states of an anharmonic oscillator |
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| Authors: | A. S. Bruev |
| Affiliation: | General Physics Institute, Vavilov Street 38, Moscow 117942, USSR |
| Abstract: | A perturbation theory designed for calculating quasi-coupled or coupled state energies and which is valid at any value of the coupling parameter is constructed in an example of an anharmonic oscillator with quartic nonlinearity. |
| Keywords: | |
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