Antichiral edge states and Bogoliubov Fermi surfaces in a two-dimensional proximity-induced superconductor
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866917145901793280 |
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| author | Ruiz, Gabriel F. Rodríguez Mateos, Juan Herrera Tosi, Leandro Strunk, Christoph Balseiro, Carlos Arrachea, Liliana |
| author_facet | Ruiz, Gabriel F. Rodríguez Mateos, Juan Herrera Tosi, Leandro Strunk, Christoph Balseiro, Carlos Arrachea, Liliana |
| contents | We show that a magnetic field parallel to the plane of a two-dimensional electron gas with Rashba spin orbit coupling in proximity to a superconductor leads to a topological phase in coexistence with a single pair of Bogoliubov Fermi surfaces. This phase hosts antichiral edge states of co-propagating Majorana fermions and are spatially localized at the opposite edges of the sample, perpendicular to the magnetic field. We discuss the characteristic signatures in the current-phase relation of a Josephson junction formed by two reservoirs in the topological phase. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_11256 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Antichiral edge states and Bogoliubov Fermi surfaces in a two-dimensional proximity-induced superconductor Ruiz, Gabriel F. Rodríguez Mateos, Juan Herrera Tosi, Leandro Strunk, Christoph Balseiro, Carlos Arrachea, Liliana Mesoscale and Nanoscale Physics Superconductivity We show that a magnetic field parallel to the plane of a two-dimensional electron gas with Rashba spin orbit coupling in proximity to a superconductor leads to a topological phase in coexistence with a single pair of Bogoliubov Fermi surfaces. This phase hosts antichiral edge states of co-propagating Majorana fermions and are spatially localized at the opposite edges of the sample, perpendicular to the magnetic field. We discuss the characteristic signatures in the current-phase relation of a Josephson junction formed by two reservoirs in the topological phase. |
| title | Antichiral edge states and Bogoliubov Fermi surfaces in a two-dimensional proximity-induced superconductor |
| topic | Mesoscale and Nanoscale Physics Superconductivity |
| url | https://arxiv.org/abs/2506.11256 |