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quant-ph2026★ 1 cited
Dissipative Quantum Battery in the Ultrastrong Coupling Regime Between Two Oscillators
Yu-qiang Liu, Yi-jia Yang, Zheng Liu +6
In this work, we propose an open quantum battery that stores and releases energy by employing a two-mode ultrastrongly coupled bosonic system, with one mode (the charger) coupled t…
quant-ph2025
Behavior of quantum coherence in the ultrastrong and deep strong coupling regimes of light-matter system
Yu-qiang Liu, Qiulin Long, Yi-jia Yang +12
The ultrastrong and deep strong coupling regimes exhibit a variety of intriguing physical phenomena. In this work, we utilize the Hopfield model of a two-mode bosonic system, with…
quant-ph2025
Quantum entanglement and Einstein-Podolsky-Rosen steering in ultrastrongly light-matter coupled system
Yu-qiang Liu, Shan Sun, Yi-jia Yang +5
This work presents a scheme for engineering quantum entanglement and Einstein-Podolsky-Rosen (EPR) steering with Gaussian measurements based on the quantum Hopfield model that inco…