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Electroluminescence Caused by the Transport of Interacting Electrons through Parallel Quantum Dots in a Photon Cavity

Electroluminescence Caused by the Transport of Interacting Electrons through Parallel Quantum Dots in a Photon Cavity


Title: Electroluminescence Caused by the Transport of Interacting Electrons through Parallel Quantum Dots in a Photon Cavity
Author: Gudmundsson, Vidar   orcid.org/0000-0001-8939-3522
Abdulla, Nzar Rauf
Sitek, Anna   orcid.org/0000-0002-0602-1959
Goan, Hsi-Sheng
Tang, Chi-Shung
Manolescu, Andrei   orcid.org/0000-0002-0713-4664
Date: 2017-12-07
Language: English
Scope: 1700334
University/Institute: Háskóli Íslands
University of Iceland
School: Verkfræði- og náttúruvísindasvið (HÍ)
School of Engineering and Natural Sciences (UI)
Department: Raunvísindastofnun (HÍ)
Science Institute (UI)
Series: Annalen der Physik;530(2)
ISSN: 0003-3804
1521-3889 (eISSN)
DOI: 10.1002/andp.201700334
Subject: Eðlisfræði; Skammtafræði; Öreindir
URI: https://hdl.handle.net/20.500.11815/673

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Citation:

Gudmundsson, V., Abdulla, N. R., Sitek, A., Goan, H. S., Tang, C. S., & Manolescu, A. (2018). Electroluminescence Caused by the Transport of Interacting Electrons through Parallel Quantum Dots in a Photon Cavity. Annalen Der Physik, 530(2), 1700334. doi:doi:10.1002/andp.201700334

Abstract:

We show that a Rabi-splitting of the states of strongly interacting electrons in parallel quantum dots embedded in a short quantum wire placed in a photon cavity can be produced by either the para- or the dia-magnetic electron-photon interactions when the geometry of the system is properly accounted for and the photon field is tuned close to a resonance with the electron system. We use these two resonances to explore the electroluminescence caused by the transport of electrons through the one- and two-electron ground states of the system and their corresponding conventional and vacuum electroluminescense as the central system is opened up by coupling it to external leads acting as electron reservoirs. Our analysis indicates that high-order electron-photon processes are necessary to adequately construct the cavity-photon dressed electron states needed to describe both types of electroluminescence.

Description:

This work was financially supported by the Research Fund of the University of Iceland, the Icelandic Research Fund, grant no. 163082-051, and the Icelandic Instruments Fund. HSG acknowledges support from Ministry of Science and Technology of Taiwan, under grant no. 103-2112-M-002-003-MY3.

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