Quantum Coherent Multielectron Processes in an Atomic Scale Contact

Research output: Research - peer-reviewJournal article – Annual report year: 2017

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The light emission from a scanning tunneling microscope operated on a Ag(111) surface at 6 K is analyzed from low conductances to values approaching the conductance quantum. Optical spectra recorded at sample voltages V reveal emission with photon energies hv > 2eV. A model of electrons interacting coherently via a localized plasmon-polariton mode reproduces the experimental data, in particular, the kinks in the spectra at eV and 2eV as well as the scaling of the intensity at low and intermediate conductances.
Original languageEnglish
Article number066803
JournalPhysical Review Letters
Volume119
Issue number6
Number of pages5
ISSN0031-9007
DOIs
StatePublished - 2017

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© 2017 American Physical Society

CitationsWeb of Science® Times Cited: 2

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