Towards spintronics via tunneling through asymmetric barriers
Fuente:
arXiv
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2026
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866917352452390912 |
|---|---|
| author | Bilokon, Elvira Bilokon, Valeriia Litvinova, Stanislava Bondar, Denys I. Sotnikov, Andrii |
| author_facet | Bilokon, Elvira Bilokon, Valeriia Litvinova, Stanislava Bondar, Denys I. Sotnikov, Andrii |
| contents | Spin transport typically relies on direct manipulation of the spin degree of freedom via magnetic fields, spin-orbit coupling, or engineered spin-dependent potentials. We show theoretically that directional spin currents can arise in a relatively simple setting - a one-dimensional interacting fermionic ring with static, spin-independent asymmetric barriers. By introducing asymmetric potential barrier geometry, spin-resolved circulating currents emerge on a closed chain even for symmetric initial configurations. The effect can be enhanced or reversed by appropriate initial state preparation and tuning the barrier asymmetry to resonant conditions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_18187 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Towards spintronics via tunneling through asymmetric barriers Bilokon, Elvira Bilokon, Valeriia Litvinova, Stanislava Bondar, Denys I. Sotnikov, Andrii Quantum Physics Spin transport typically relies on direct manipulation of the spin degree of freedom via magnetic fields, spin-orbit coupling, or engineered spin-dependent potentials. We show theoretically that directional spin currents can arise in a relatively simple setting - a one-dimensional interacting fermionic ring with static, spin-independent asymmetric barriers. By introducing asymmetric potential barrier geometry, spin-resolved circulating currents emerge on a closed chain even for symmetric initial configurations. The effect can be enhanced or reversed by appropriate initial state preparation and tuning the barrier asymmetry to resonant conditions. |
| title | Towards spintronics via tunneling through asymmetric barriers |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2603.18187 |