This model demonstrates enhanced charging power in quantum batteries via cavity-cavity interactions, suggesting improved efficiency.
We present a quantum battery model comprising two lossless cavities that interact through a controlled photon-hopping mechanism, each housing an isolated two-level atom. This study explores the potential of influencing the interaction between cavities in the traditional two single-cavity working mode, thereby paving the way for enhancing charging performance. By solving the generalized double Jaynes-Cummings model with cavity-cavity interactions, we demonstrate the positive impact of such interactions on battery charging, making the quantum battery outperform the single-cavity case in terms of charging time and average charging power. Additionally, we investigate the influence of different cavity-cavity interaction intensities on charging efficiency and attempt to explain the underlying reasons by analyzing the entanglement within the system.
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Wang et al. (2025) studied this question.
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