Quantum steering as a probe of energy transfer in quantum batteries
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866918379416190976 |
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| author | Song, Meng-Long Cao, Zan Song, Xue-Ke Ye, Liu Wang, Dong |
| author_facet | Song, Meng-Long Cao, Zan Song, Xue-Ke Ye, Liu Wang, Dong |
| contents | This study investigates the role of EPR steering in characterizing the energy dynamics of quantum batteries (QBs) within \textcolor{black}{a charging system that features shared reservoirs. After optimizing parameter configurations to achieve high-energy systems, we observe across a variety of charging scenarios with low-dissipation regimes that steering serves as a vital resource: it is initially stored until the system reaches energy equilibrium, and then subsequently utilized to sustain the enhancement of energy storage. Furthermore, steering acts as a witness to battery population balance and a consumable that enhances extractable work. Additionally, we discuss the contribution of the steering potential to energy upon high-dissipation charging in details. These findings establish a novel indicator for monitoring QB energy variations, which will be beneficial to achieve the high-performance quantum batteries. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_21398 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quantum steering as a probe of energy transfer in quantum batteries Song, Meng-Long Cao, Zan Song, Xue-Ke Ye, Liu Wang, Dong Quantum Physics This study investigates the role of EPR steering in characterizing the energy dynamics of quantum batteries (QBs) within \textcolor{black}{a charging system that features shared reservoirs. After optimizing parameter configurations to achieve high-energy systems, we observe across a variety of charging scenarios with low-dissipation regimes that steering serves as a vital resource: it is initially stored until the system reaches energy equilibrium, and then subsequently utilized to sustain the enhancement of energy storage. Furthermore, steering acts as a witness to battery population balance and a consumable that enhances extractable work. Additionally, we discuss the contribution of the steering potential to energy upon high-dissipation charging in details. These findings establish a novel indicator for monitoring QB energy variations, which will be beneficial to achieve the high-performance quantum batteries. |
| title | Quantum steering as a probe of energy transfer in quantum batteries |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2601.21398 |