Publikation: Electron and electron-hole quasiparticle states in a driven quantum contact
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2016
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SFB 767 -Teilprojekt Z
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Physical Review B. 2016, 93(4), 041416. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.93.041416
Zusammenfassung
We study the many-body electronic state created by a time-dependent drive of a mesoscopic contact. The many-body state is expressed manifestly in terms of single-electron and electron-hole quasiparticle excitations with the amplitudes and probabilities of creation which depend on the details of the applied voltage. We experimentally probe the time dependence of the constituent electronic states by using an analog of the optical Hong-Ou-Mandel correlation experiment where electrons emitted from the terminals with a relative time delay collide at the contact. The electron wave packet overlap is directly related to the current noise power in the contact. We have confirmed the time dependence of the electronic states predicted theoretically by measurements of the current noise power in a tunnel junction under harmonic excitation.
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530 Physik
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VANEVIĆ, Mihajlo, Julien GABELLI, Wolfgang BELZIG, Bertrand REULET, 2016. Electron and electron-hole quasiparticle states in a driven quantum contact. In: Physical Review B. 2016, 93(4), 041416. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.93.041416BibTex
@article{Vanevic2016Elect-33397,
year={2016},
doi={10.1103/PhysRevB.93.041416},
title={Electron and electron-hole quasiparticle states in a driven quantum contact},
number={4},
volume={93},
issn={2469-9950},
journal={Physical Review B},
author={Vanević, Mihajlo and Gabelli, Julien and Belzig, Wolfgang and Reulet, Bertrand},
note={5 pages, 2 figures + supplemental material Article Number: 041416}
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<dcterms:abstract xml:lang="eng">We study the many-body electronic state created by a time-dependent drive of a mesoscopic contact. The many-body state is expressed manifestly in terms of single-electron and electron-hole quasiparticle excitations with the amplitudes and probabilities of creation which depend on the details of the applied voltage. We experimentally probe the time dependence of the constituent electronic states by using an analog of the optical Hong-Ou-Mandel correlation experiment where electrons emitted from the terminals with a relative time delay collide at the contact. The electron wave packet overlap is directly related to the current noise power in the contact. We have confirmed the time dependence of the electronic states predicted theoretically by measurements of the current noise power in a tunnel junction under harmonic excitation.</dcterms:abstract>
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5 pages, 2 figures + supplemental material
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Ja
