Abstract
AbstractExpressions for the self‐energy of an electron at rest in the vacuum gap between two identical metals are derived using the formalism of Manson and Ritchie. Besides the quantum recoil effects, the effects of the spatial dispersion are included using the hydrodynamic model. The numerial results show that the effects of the spatial dispersion are even stronger than the quantum recoil effects. The corrections to the classical image potential due to the quantum recoil effects play a role only for small gap separation. However, the spatial dispersion increases the range of gap separation, at which the corrections to the classical image potential are non‐negligible.
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