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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Nygård, Jesper
University of Copenhagen
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2021Superconductivity and Parity Preservation in As-Grown in Islands on InAs Nanowirescitations
- 2021Superconductivity and Parity Preservation in As-Grown In Islands on InAs Nanowirescitations
- 2017Micro-Raman spectroscopy for the detection of stacking fault density in InAs and GaAs nanowirescitations
- 2016Construction of insulin 18-mer nanoassemblies driven by coordination to Iron(II) and Zinc(II) ions at distinct sitescitations
- 2016Majorana bound states in a coupled quantum-dot hybrid-nanowire systemcitations
- 2015Hard gap in epitaxial semiconductor-superconductor nanowirescitations
- 2013Low temperature transport in p-doped InAs nanowirescitations
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article
Majorana bound states in a coupled quantum-dot hybrid-nanowire system
Abstract
Hybrid nanowires combining semiconductor and superconductor materials appear well suited for the creation, detection, and control of Majorana bound states (MBSs). We demonstrate the emergence of MBSs from coalescing Andreev bound states (ABSs) in a hybrid InAs nanowire with epitaxial Al, using a quantum dot at the end of the nanowire as a spectrometer. Electrostatic gating tuned the nanowire density to a regime of one or a few ABSs. In an applied axial magnetic field, a topological phase emerges in which ABSs move to zero energy and remain there, forming MBSs. We observed hybridization of the MBS with the end-dot bound state, which is in agreement with a numerical model. The ABS/MBS spectra provide parameters that are useful for understanding topological superconductivity in this system.