Squeezing enhanced nonreciprocal quantum correlations via Barnett effect
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866911547677212672 |
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| author | Berinyuy, E. Kongkui Abdel-Aty, A. -H. Djorwe, P. Alessa, N. Nisar, K. S. |
| author_facet | Berinyuy, E. Kongkui Abdel-Aty, A. -H. Djorwe, P. Alessa, N. Nisar, K. S. |
| contents | Cavity optomagnonic platforms offer a promising route for exploring quantum phenomena, particularly quantum correlations, which are vital resources for modern quantum technologies. Here, we propose a theoretical scheme for achieving nonreciprocal quantum correlations such as entanglement, and quantum discord via Barnett effect in a molecular-optomagnonical system, where a yttrium iron garnet sphere is placed in a microwave cavity that is hosting molecules. We show optimal parameter regimes for achieving nonreciprocal quantum correlations through Barnett effect. The generated entanglements are robust against thermal fluctuations, persisting even at high temperatures. Our scheme suggests a new tool for engineering noise-tolerant quantum correlations, and paves a way toward realizing novel nonreciprocal quantum devices by integrating magnons with molecular ensembles. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_02569 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Squeezing enhanced nonreciprocal quantum correlations via Barnett effect Berinyuy, E. Kongkui Abdel-Aty, A. -H. Djorwe, P. Alessa, N. Nisar, K. S. Quantum Physics Cavity optomagnonic platforms offer a promising route for exploring quantum phenomena, particularly quantum correlations, which are vital resources for modern quantum technologies. Here, we propose a theoretical scheme for achieving nonreciprocal quantum correlations such as entanglement, and quantum discord via Barnett effect in a molecular-optomagnonical system, where a yttrium iron garnet sphere is placed in a microwave cavity that is hosting molecules. We show optimal parameter regimes for achieving nonreciprocal quantum correlations through Barnett effect. The generated entanglements are robust against thermal fluctuations, persisting even at high temperatures. Our scheme suggests a new tool for engineering noise-tolerant quantum correlations, and paves a way toward realizing novel nonreciprocal quantum devices by integrating magnons with molecular ensembles. |
| title | Squeezing enhanced nonreciprocal quantum correlations via Barnett effect |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2511.02569 |