Answers are grounded in this paper and cite their sources.
The Kramers-Kronig relations are shown by elementary methods to be rigorously valid for linear, causal, stationary systems whose response functions obey simple conditions of boundedness.
No takes yet. Share an insight, caveat, or question.
Mark Sharnoff (1964) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: