单词 | Hellman-Feynman theorem |
释义 | Hellman-Feynman theorem [¦hel·mǝn ¦fīn·mǝn ´thir·ǝm] QUANTUM MECHANICS A theorem which states that in the Born-Oppenheimer approximation the forces on nuclei in molecules or solids are those which would arise electrostatically if the electron probability density were treated as a static distribution of negative electric charge. |
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