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Teoreticheskaya i Matematicheskaya Fizika, 1974, Volume 19, Number 2, Pages 233–236 (Mi tmf3581)  
On the applicability of the quasiclassical approximation

P. V. Elyutin, V. D. Krivchenkov
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Abstract: A study is made of the applicability of the quasiclassical approximation for calculating the discrete spectrum of a Schrödinger equation. It is shown for potentials that are different from power laws that there exists a dimensionless parameter whose smallness guarantees that the quasiclassical spectrum is near the exact one for small $n$.
Received: 16.11.1973
English version:
Theoretical and Mathematical Physics, 1974, Volume 19, Issue 2, Pages 477–479
DOI: https://doi.org/10.1007/BF01035948
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Language: Russian
Citation: P. V. Elyutin, V. D. Krivchenkov, “On the applicability of the quasiclassical approximation”, TMF, 19:2 (1974), 233–236; Theoret. and Math. Phys., 19:2 (1974), 477–479
Citation in format AMSBIB
\Bibitem{ElyKri74}
\by P.~V.~Elyutin, V.~D.~Krivchenkov
\paper On~the applicability of the quasiclassical approximation
\jour TMF
\yr 1974
\vol 19
\issue 2
\pages 233--236
\mathnet{http://mi.mathnet.ru/tmf3581}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=468791}
\transl
\jour Theoret. and Math. Phys.
\yr 1974
\vol 19
\issue 2
\pages 477--479
\crossref{https://doi.org/10.1007/BF01035948}
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    		Теоретическая и математическая физика Theoretical and Mathematical Physics
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