Hellmann–Feynman theorem (Q6482858)

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theorem that relates the derivative of the total energy with respect to a parameter, to the expectation value of the derivative of the Hamiltonian with respect to that same parameter
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Hellmann–Feynman theorem
theorem that relates the derivative of the total energy with respect to a parameter, to the expectation value of the derivative of the Hamiltonian with respect to that same parameter

    Statements

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    dEλdλ=ψλ|dH^λdλ|ψλ
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    Identifiers

    /m/06g7dd
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    163386847
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    chemistry/hellmann-feynman-theorem
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