ARTICLE
|
doi:10.20944/preprints202309.1322.v1
Subject:
Physical Sciences,
Theoretical Physics
Keywords:
screened Coulomb potential; radial Schrödinger equation; Hellmann-Feynman theorem; critical values
Online: 20 September 2023 (05:00:30 CEST)
ARTICLE
|
doi:10.20944/preprints202309.0309.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Double-well oscillator; upper bounds; Rayleiigh-Ritz; Gram-Schmidt
Online: 6 September 2023 (02:37:18 CEST)