通过非谐中介体的相互作用量子电池的光谱选择性充电
Spectrally Selective Charging of an Interacting Quantum Battery via an Anharmonic Mediator
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中文总结 AI 辅助
本研究提出一种通过非谐三能级中介体实现的光谱选择性量子电池充电架构，利用有限时间驱动产生相干性，实现高效单激发转移和双激发级联，并闭合热力学循环。
中文摘要 AI 辅助
我们研究了一种有限时间量子电池充电架构，其中受驱动的二能级工作系统通过弱非谐三能级中介体将非平衡资源传递给相互作用的双量子比特电池。有限时间驱动产生相干性和可提取功（ergotropy），而激发数守恒将传递组织为不同的动力学扇区。中介体随后提供光谱选择性充电通道：其较低跃迁实现近乎完整的单激发转移，且中介体残余能量可忽略，而初始中介体加载则激活向双激发电池态的交叉共振双激发级联。后者因有效三态链的不等集体矩阵元而表现出适度的传递效率降低。失谐扫描量化了光谱容差，完整的混合态动力学揭示了不同的能量和可提取功传递曲线。有限时间压缩、热重置和切换操作在数值精度上闭合了循环级能量平衡。所提出的方案在单一架构中结合了非平衡资源生成、光谱选择性、相干多能级充电和热力学循环闭合。
英文摘要
We investigate a finite-time quantum-battery charging architecture in which a driven two-level working system transfers nonequilibrium resources to an interacting two-qubit battery through a weakly anharmonic three-level mediator. Finite-time driving generates coherence and ergotropy, while excitation-number conservation organizes the transfer into distinct dynamical sectors. The mediator then provides spectrally selective charging channels: its lower transition enables nearly complete single-excitation transfer with negligible residual mediator energy, whereas initial mediator loading activates a cross-resonant two-excitation cascade toward the doubly excited battery state. The latter exhibits a modest reduction in transfer efficiency due to the unequal collective matrix elements of the effective three-state chain. Detuning scans quantify the spectral tolerance, and the full mixed-state dynamics reveals distinct energy- and ergotropy-transfer profiles. Finite-time compression, thermal reset, and switching work close the cycle-level energy balance to numerical precision. The resulting scheme combines nonequilibrium resource generation, spectral selectivity, coherent multilevel charging, and thermodynamic cycle closure within a single architecture.
发表机构
- Ramakrishna Mission Vivekananda Educational and Research Institute（拉马克里希纳使命维韦卡南达教育与研究机构）
- TCG CREST
- Academy of Scientific and Innovative Research (AcSIR)（科学与创新研究学院）
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