Answers are grounded in this paper and cite their sources.
We study the current-voltage characteristic of a current biased array of normal tunnel junctions with small capacitance, e 2 /2 C k B T . It shows a Coulomb gap, which is found to scale with the number of junctions in series and to be independent of the number of junctions in parallel. The probability of single-electron tunneling (SET) depends on the energy difference before and after the transition. This makes the Coulomb gap depend strongly on the size of the region probed by the electron in the tunnelling process. The amplitude of SET resonances is reduced compared to a single junction.
No takes yet. Share an insight, caveat, or question.
Geigenmüller et al. (1989) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: