Entropy, Volume 26, Issue 6 (June 2024) – 98 articles
Cover Story (view full-size image):
Entanglement engines are autonomous quantum thermal machines designed to generate entanglement from the presence of a particle current flowing through the device. In this work, we investigate the functioning of a two-qubit entanglement engine beyond the steady-state regime. Within a master equation approach, we derive the time-dependent state, the particle current, as well as the associated current correlation functions. Our findings establish a direct connection between coherence and the internal current, elucidating the existence of a critical current that serves as an indicator for entanglement in the steady state. View this paper
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