Answers are grounded in this paper and cite their sources.
A novel application of the Born-Oppenheimer approximation is made which predicts the strength and nature of the singular threshold structure associated with plasmon satellites for a wide class of experiments involving the interactions of photons or fast electrons with solids.
No takes yet. Share an insight, caveat, or question.
David C. Langreth (1971) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: