Abstract
The transition probability of a hot electron in metals due to phonons is calculated by using Bardeen's self-consistent field approach. The results show that the mean free path is slightly dependent on the initial energy of the electron. A hot electron in gold with an initial energy 1 eV higher than the Fermi energy has a calculated mean free path of 330 Å. The measured hot electron's attenuation length of 350 Å in gold can thus be explained by the present calculation, together with Quinn's result for the hot electron mean free path due to interaction with conduction electrons.
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