| 释义 |
Fermi's golden rules Fermi's golden rules[¦fer·mēz ¦gōld·ən ′rülz] (quantum mechanics) The equations giving the first-order (rule number 2) and second-order (rule number 1) contributions to the transition probability per unit time induced by a perturbation Hamiltonian, in terms of matrix elements of the perturbation Hamiltonian. |