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Tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor
Bogliubov-de Gennes equations are solved self-consistently to investigate the properties of bound states in chiral p-wave superconductive disks. It shows that either an s-wave or the mixed d- and s-wave state with odd-frequency and spin-triplet symmetry is induced at the vortex core, depending both...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5575086/ https://www.ncbi.nlm.nih.gov/pubmed/28852054 http://dx.doi.org/10.1038/s41598-017-10152-0 |
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author | Lou, Yu-Feng Wen, Lin Zha, Guo-Qiao Zhou, Shi-Ping |
author_facet | Lou, Yu-Feng Wen, Lin Zha, Guo-Qiao Zhou, Shi-Ping |
author_sort | Lou, Yu-Feng |
collection | PubMed |
description | Bogliubov-de Gennes equations are solved self-consistently to investigate the properties of bound states in chiral p-wave superconductive disks. It shows that either an s-wave or the mixed d- and s-wave state with odd-frequency and spin-triplet symmetry is induced at the vortex core, depending both on the chirality of the pairing states and on the vortex topology. It is also found that the odd-frequency triplet even parity (OTE) bound state can be manipulated with a local non-magnetic potential. Interestingly, with an appropriate potential amplitude, the zero-energy OTE bound state can be stabilized at a distance from the vortex core and from the local potential. Possible existences of the Majorana fermion modes are expected if the particle-hole symmetry property is applied to the zero-energy OTE bound state. Moreover, skyrmion modes with an integer topological charge have been found to exist. |
format | Online Article Text |
id | pubmed-5575086 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-55750862017-09-01 Tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor Lou, Yu-Feng Wen, Lin Zha, Guo-Qiao Zhou, Shi-Ping Sci Rep Article Bogliubov-de Gennes equations are solved self-consistently to investigate the properties of bound states in chiral p-wave superconductive disks. It shows that either an s-wave or the mixed d- and s-wave state with odd-frequency and spin-triplet symmetry is induced at the vortex core, depending both on the chirality of the pairing states and on the vortex topology. It is also found that the odd-frequency triplet even parity (OTE) bound state can be manipulated with a local non-magnetic potential. Interestingly, with an appropriate potential amplitude, the zero-energy OTE bound state can be stabilized at a distance from the vortex core and from the local potential. Possible existences of the Majorana fermion modes are expected if the particle-hole symmetry property is applied to the zero-energy OTE bound state. Moreover, skyrmion modes with an integer topological charge have been found to exist. Nature Publishing Group UK 2017-08-29 /pmc/articles/PMC5575086/ /pubmed/28852054 http://dx.doi.org/10.1038/s41598-017-10152-0 Text en © The Author(s) 2017 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Lou, Yu-Feng Wen, Lin Zha, Guo-Qiao Zhou, Shi-Ping Tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor |
title | Tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor |
title_full | Tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor |
title_fullStr | Tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor |
title_full_unstemmed | Tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor |
title_short | Tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor |
title_sort | tunable odd-frequency triplet pairing states and skyrmion modes in chiral p-wave superconductor |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5575086/ https://www.ncbi.nlm.nih.gov/pubmed/28852054 http://dx.doi.org/10.1038/s41598-017-10152-0 |
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