activity
20172025
most citedDynamical Control of Quantum Heat Engines Using Exceptional Points

113 citations · 316 across the 13 of their papers we have counts for

collaborators

13 papers

quant-ph2025

Exploring experimental limit of deep quantum signal processing using a trapped-ion simulator

J. -T. Bu, Lei Zhang, Zhan Yu +12

Quantum signal processing (QSP), which enables systematic polynomial transformations on quantum data through sequences of qubit rotations, has emerged as a fundamental building blo…

quant-ph2024★ 5 cited

Experimental Verification of Demon-Involved Fluctuation Theorems

L. -L. Yan, J. -T. Bu, Q. Zeng +8

The limit of energy saving in the control of small systems has recently attracted much interest due to the concept refinement of the Maxwell demon. Inspired by a newly proposed set…

quant-ph2024

Energy-conversion device using a quantum engine with the work medium of two-atom entanglement

J. -W. Zhang, B. Wang, W. -F. Yuan +7

Although entanglement is considered as an essential resource for quantum information processing, whether entanglement helps for energy conversion or output in the quantum regime is…

quant-ph2024★ 12 cited

Single-Atom Verification of the Optimal Trade-Off between Speed and Cost in Shortcuts to Adiabaticity

J. -W. Zhang, J. -T. Bu, J. C. Li +11

The approach of shortcuts to adiabaticity enables the effective execution of adiabatic dynamics in quantum information processing with enhanced speed. Owing to the inherent trade-o…

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-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…