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quant-ph2023★ 67 cited
Enhancement of quantum heat engine by encircling a Liouvillian exceptional point
J. -T. Bu, J. -Q. Zhang, G. -Y. Ding +10
Quantum heat engines are expected to outperform the classical counterparts due to quantum coherences involved. Here we experimentally execute a single-ion quantum heat engine and d…
quant-ph2020
Single-Atom Verification of the Information-Theoretical Bound of Irreversibility at the Quantum Level
J. W. Zhang, K. Rehan, M. Li +6
Quantitative measure of disorder or randomness based on the entropy production characterizes thermodynamical irreversibility, which is relevant to the conventional second law of th…
quant-ph2019
Single-qubit measurement of Heisenberg uncertainty lower bounds for three incompatible observables
K. Rehan, T. P. Xiong, L. -L. Yan +6
Being one of the centroidal concepts in quantum theory, the fundamental constraint imposed by Heisenberg uncertainty relations has always been a subject of immense attention and ch…