Français : Exemple d'approximation WKB. Le potentiel est représenté en haut, l'appoximation de la fonction d'onde pour une valeur donnée (non précisée ici) et possible de l'énergie en bas.
English: WKB approximation example. The potential is represented at the top (the well-shaped curve), the possible energy is represented by the solid horizontal line, and the approximation of the corresponding wave function is shown at the bottom. The vertical dashed lines represent the classical turning points.
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