H
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
- Instance of
- Part of
Overview
All data
8 statements · 13% with external sources · numbers in brackets are citations
- Defining formula
\frac{\mathrm dE_\lambda}{\mathrm d\lambda}=\left\langle\psi_\lambda\left|\frac{\mathrm d\hat H_\lambda}{\mathrm d\lambda}\right|\psi_\lambda\right\rangle
On other databases
4 identifiers linking Hellmann–Feynman theorem across the web's reference databases