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quant-ph2022★ 113 cited
Dynamical Control of Quantum Heat Engines Using Exceptional Points
J. -W. Zhang, J. -Q. Zhang, G. -Y. Ding +11
A quantum thermal machine is an open quantum system coupled to hot and cold thermal baths. Thus, its dynamics can be well understood using the concepts and tools from non-Hermitian…
physics.atom-ph2022
Detection of DC electric forces with zeptonewton sensitivity by single-ion phonon laser
Ya-Qi Wei, Ying-Zheng Wang, Zhi-Chao Liu +6
Detecting extremely small forces helps exploring new physics quantitatively. Here we demonstrate that the phonon laser made of a single trapped Ca ion behaves as an ex…