Superconductor Science and Technology, volume 34, issue 3, pages 35024
Majorana bound state manipulation by current pulses
Publication type: Journal Article
Publication date: 2021-02-04
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.6
ISSN: 09532048, 13616668
Materials Chemistry
Metals and Alloys
Ceramics and Composites
Condensed Matter Physics
Electrical and Electronic Engineering
Abstract
Majorana bound states (MBSs) can occur in Josephson junctions of conventional s-wave superconductors coupled via a strong topological insulator. In configurations of multiple line junctions meeting at a point, the criterion for the MBS to exist coincides with the presence of a fractional Josephson vortex with 2π phase winding. We investigate the dynamic stability of such vortices in arrays of tri- and quad-junctions. The existence of fractional vortices in arrays is demonstrated, but the dynamic stability is found to depend critically on the current-phase relation and the inductance. We propose the idea, and study the feasibility, of manipulating the location of the vortices in arrays by using current pulses, compatible with rapid single flux quantum technology. It is shown theoretically, using a modified resistively shunted junction model, that braiding operations can be achieved using current pulses injected from the edge of the array. It is necessary to use vortex sites with elevated critical current as traps.
Citations by journals
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Journal of Physics: Conference Series
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Journal of Physics: Conference Series
1 publication, 50%
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IEEE Transactions on Applied Superconductivity
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IEEE Transactions on Applied Superconductivity
1 publication, 50%
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1
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Citations by publishers
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IOP Publishing
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IOP Publishing
1 publication, 50%
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IEEE
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IEEE
1 publication, 50%
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1
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Lankhorst M. H. R. et al. Majorana bound state manipulation by current pulses // Superconductor Science and Technology. 2021. Vol. 34. No. 3. p. 35024.
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Lankhorst M. H. R., Jansen T., Brinkman A., Golubov A. A. Majorana bound state manipulation by current pulses // Superconductor Science and Technology. 2021. Vol. 34. No. 3. p. 35024.
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TY - JOUR
DO - 10.1088/1361-6668/abdd7f
UR - https://doi.org/10.1088%2F1361-6668%2Fabdd7f
TI - Majorana bound state manipulation by current pulses
T2 - Superconductor Science and Technology
AU - Lankhorst, M. H. R.
AU - Jansen, Thies
AU - Brinkman, Alexander
AU - Golubov, Alexander A.
PY - 2021
DA - 2021/02/04 00:00:00
PB - IOP Publishing
SP - 35024
IS - 3
VL - 34
SN - 0953-2048
SN - 1361-6668
ER -
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@article{2021_Lankhorst,
author = {M. H. R. Lankhorst and Thies Jansen and Alexander Brinkman and Alexander A. Golubov},
title = {Majorana bound state manipulation by current pulses},
journal = {Superconductor Science and Technology},
year = {2021},
volume = {34},
publisher = {IOP Publishing},
month = {feb},
url = {https://doi.org/10.1088%2F1361-6668%2Fabdd7f},
number = {3},
pages = {35024},
doi = {10.1088/1361-6668/abdd7f}
}
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MLA
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Lankhorst, M. H. R., et al. “Majorana bound state manipulation by current pulses.” Superconductor Science and Technology, vol. 34, no. 3, Feb. 2021, p. 35024. https://doi.org/10.1088%2F1361-6668%2Fabdd7f.