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On the Extensions of Virial and Feynman - Hellman Theorem
Journal: International Journal of Science and Research (IJSR) (Vol.11, No. 2)Publication Date: 2022-02-05
Authors : Pratyusha Biswas Deb; S. Brajamani Deceased; H.C. Mohanto; Soumya Das; P. S. Majumdar;
Page : 437-438
Keywords : Rayleigh-Schrodinger perturbation theory; Feynman-Hellman theorem; quantum mechanical virial theorem; linear harmonic oscillator;
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Abstract
In the present work off diagonal and higher order extensions of Feynman-Hellman theorem is studied Rayleigh-Schrodinger perturbation theory for the degenerate case is redefined using a new technique. We also consider off-diagonal extension of quantum mechanical virial theorem by considering the case of linear harmonic oscillator.
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Last modified: 2022-05-14 21:00:31