Quantum Coherent Multielectron Processes in an Atomic Scale Contact

Type of Publication: Journal article
Publication status: Published
URI (citable link): http://nbn-resolving.de/urn:nbn:de:bsz:352-1-9fb76dc1a60d4a4b8
Author: Peters, Peter-Jan; Xu, Fei; Kaasbjerg, Kristen; Rastelli, Gianluca; Belzig, Wolfgang; Berndt, Richard
Year of publication: 2017
Published in: Physical Review Letters ; 119 (2017), 6. - 066803. - ISSN 0031-9007. - eISSN 1079-7114
Pubmed ID: 28949609
ArXiv-ID: arXiv:1809.02793
DOI (citable link): https://dx.doi.org/10.1103/PhysRevLett.119.066803
Summary:
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 hν>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.
Subject (DDC): 530 Physics
Bibliography of Konstanz: Yes

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PETERS, Peter-Jan, Fei XU, Kristen KAASBJERG, Gianluca RASTELLI, Wolfgang BELZIG, Richard BERNDT, 2017. Quantum Coherent Multielectron Processes in an Atomic Scale Contact. In: Physical Review Letters. 119(6), 066803. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.119.066803

@article{Peters2017-08-10Quant-40275, title={Quantum Coherent Multielectron Processes in an Atomic Scale Contact}, year={2017}, doi={10.1103/PhysRevLett.119.066803}, number={6}, volume={119}, issn={0031-9007}, journal={Physical Review Letters}, author={Peters, Peter-Jan and Xu, Fei and Kaasbjerg, Kristen and Rastelli, Gianluca and Belzig, Wolfgang and Berndt, Richard}, note={Article Number: 066803} }

Rastelli, Gianluca Quantum Coherent Multielectron Processes in an Atomic Scale Contact Peters, Peter-Jan Rastelli, Gianluca Kaasbjerg, Kristen eng 2017-10-06T13:58:13Z Berndt, Richard Belzig, Wolfgang Xu, Fei Xu, Fei Peters, Peter-Jan 2017-08-10 Belzig, Wolfgang Berndt, Richard Kaasbjerg, Kristen 2017-10-06T13:58:13Z 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 hν>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.

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