Answers are grounded in this paper and cite their sources.
We show that correlation currents arising from the superposition of pairs of states on distinct sides of a potential barrier in metal-barrier-metal structures can result in inelastic tunneling through the emission of surface plasmons. Net gain of an externally excited plasmon field is possible.
No takes yet. Share an insight, caveat, or question.
Siu et al. (1978) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: