Integrating micromagnets and hybrid nanowires for topological quantum computing
Majorana zero modes are expected to arise in semiconductor-superconductor hybrid systems, with potential topological quantum computing applications. One limitation of this approach is the need for a relatively high external magnetic field that should also change direction at the nanoscale. This p...
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| Format: | Article |
| Language: | English |
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SciPost
2021-11-01
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| Series: | SciPost Physics |
| Online Access: | https://scipost.org/SciPostPhys.11.5.090 |
| _version_ | 1818929882914095104 |
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| author | Malcolm J. A. Jardine, John P. T. Stenger, Yifan Jiang, Eline J. de Jong, Wenbo Wang, Ania C. Bleszynski Jayich, Sergey M. Frolov |
| author_facet | Malcolm J. A. Jardine, John P. T. Stenger, Yifan Jiang, Eline J. de Jong, Wenbo Wang, Ania C. Bleszynski Jayich, Sergey M. Frolov |
| author_sort | Malcolm J. A. Jardine, John P. T. Stenger, Yifan Jiang, Eline J. de Jong, Wenbo Wang, Ania C. Bleszynski Jayich, Sergey M. Frolov |
| collection | DOAJ |
| description | Majorana zero modes are expected to arise in semiconductor-superconductor
hybrid systems, with potential topological quantum computing applications. One
limitation of this approach is the need for a relatively high external magnetic
field that should also change direction at the nanoscale. This proposal considers
devices that incorporate micromagnets to address this challenge. We perform
numerical simulations of stray magnetic fields from different micromagnet
configurations, which are then used to solve for Majorana wavefunctions.
Several devices are proposed, starting with the basic four-magnet design to
align magnetic field with the nanowire and scaling up to nanowire T-junctions.
The feasibility of the approach is assessed by performing magnetic imaging of
prototype patterns. |
| first_indexed | 2024-12-20T03:51:52Z |
| format | Article |
| id | doaj.art-cfa690bab8244960b4f982eba32dd184 |
| institution | Directory Open Access Journal |
| issn | 2542-4653 |
| language | English |
| last_indexed | 2024-12-20T03:51:52Z |
| publishDate | 2021-11-01 |
| publisher | SciPost |
| record_format | Article |
| series | SciPost Physics |
| spelling | doaj.art-cfa690bab8244960b4f982eba32dd1842022-12-21T19:54:26ZengSciPostSciPost Physics2542-46532021-11-0111509010.21468/SciPostPhys.11.5.090Integrating micromagnets and hybrid nanowires for topological quantum computingMalcolm J. A. Jardine, John P. T. Stenger, Yifan Jiang, Eline J. de Jong, Wenbo Wang, Ania C. Bleszynski Jayich, Sergey M. FrolovMajorana zero modes are expected to arise in semiconductor-superconductor hybrid systems, with potential topological quantum computing applications. One limitation of this approach is the need for a relatively high external magnetic field that should also change direction at the nanoscale. This proposal considers devices that incorporate micromagnets to address this challenge. We perform numerical simulations of stray magnetic fields from different micromagnet configurations, which are then used to solve for Majorana wavefunctions. Several devices are proposed, starting with the basic four-magnet design to align magnetic field with the nanowire and scaling up to nanowire T-junctions. The feasibility of the approach is assessed by performing magnetic imaging of prototype patterns.https://scipost.org/SciPostPhys.11.5.090 |
| spellingShingle | Malcolm J. A. Jardine, John P. T. Stenger, Yifan Jiang, Eline J. de Jong, Wenbo Wang, Ania C. Bleszynski Jayich, Sergey M. Frolov Integrating micromagnets and hybrid nanowires for topological quantum computing SciPost Physics |
| title | Integrating micromagnets and hybrid nanowires for topological quantum computing |
| title_full | Integrating micromagnets and hybrid nanowires for topological quantum computing |
| title_fullStr | Integrating micromagnets and hybrid nanowires for topological quantum computing |
| title_full_unstemmed | Integrating micromagnets and hybrid nanowires for topological quantum computing |
| title_short | Integrating micromagnets and hybrid nanowires for topological quantum computing |
| title_sort | integrating micromagnets and hybrid nanowires for topological quantum computing |
| url | https://scipost.org/SciPostPhys.11.5.090 |
| work_keys_str_mv | AT malcolmjajardinejohnptstengeryifanjiangelinejdejongwenbowanganiacbleszynskijayichsergeymfrolov integratingmicromagnetsandhybridnanowiresfortopologicalquantumcomputing |