67 citations · 252 across the 12 of their papers we have counts for
12 papers
Thermodynamics and Fluctuations in Quantum Heat Engines under Reservoir Squeezing
Yang Xiao, Dehua Liu, Jizhou He +3
We investigate the thermodynamics and fluctuations of a finite-time quantum Otto engine alternatively driven by a hot squeezed and a cold thermal reservoir. We show that reservoir…
Finite-time quantum Otto engine with a squeezed thermal bath: Role of quantum coherence and squeezing in the performance and fluctuations
Yang Xiao, Dehua Liu, Jizhou He +2
We consider a finite-time quantum Otto heat engine that consists of two isochoric (thermal-contact) process, where the system is alternatively coupled to a hot squeezed and a cold…
Performance of quantum heat engines via adiabatic deformation of potential
Kai Li, Yang Xiao, Jizhou He +1
We present a quantum Otto engine model consisting of two isochoric and two adiabatic strokes, where the adiabatic expansion or compression is realized by adiabatically changing the…
Quantum refrigerators in finite-time cycle duration
Guangqian Jiao, Shoubao Zhu, Jizhou He +2
We derive cooling rate and coefficient of performance as well as their variances for a quantum Otto engine proceeding in finite-time cycle period. This machine consists of two driv…
Quantum heat engine based on trapped Bose gases: Its maximum efficiency can approach the Carnot value at finite power
Jianhui Wang, Jizhou He, Yongli Ma
It was reported that, if and only if the specific heat, correlation length, and dynamical exponents and , fulfill the condition , the phase transitions can enable…
Efficiency and power of minimally nonlinear irreversible heat engines with broken time-reversal symmetry
Qin Liu, Wei Li, Min Zhang +2
We study the minimally nonlinear irreversible heat engines in which the time-reversal symmetry for the systems may b e broken. The expressions for the power and the efficiency are…
Efficiency at maximum power of a quantum Otto engine: Both within finite-time and irreversible thermodynamics
Feilong Wu, Jizhou He, Yongli Ma +1
We consider the efficiency at maximum power of a quantum Otto engine, which uses a spin or a harmonic system as its working substance and works between two heat reservoirs at const…
Coefficient of performance under maximum criterion in a two-level atomic system as a refrigerator
Yuan Yuan, Rui Wang, Jizhou He +2
A two-level atomic system as a working substance is used to set up a refrigerator consisting of two quantum adiabatic and two isochoric processes (two constant-frequency processes…
Coefficient of performance for a low-dissipation Carnot-like refrigerator with nonadiabatic dissipation
Yong Hu, Feifei Wu, Yongli Ma +4
We study the coefficient of performance (COP) and its bounds of the Canot-like refrigerator working between two heat reservoirs at constant temperatures and , under two…
Quantum-mechanical engine models and their efficiencies
Jianhui Wang, Yongli Ma, Jizhou He
Based on quantum thermodynamic processes, we make a quantum-mechanical (QM) extension of the typical heat engine cycles, such as the Carnot, Brayton, Otto, and Diesel cycles, etc.…
Efficiency at maximum power output of an irreversible Carnot-like cycle with internally dissipative friction
Jianhui Wang, Jizhou He
We investigate the efficiency at maximum power of an irreversible Carnot engine performing finite-time cycles between two reservoirs at temperatures and , ta…
Efficiency at maximum power output of quantum heat engines under finite-time operation
Jianhui Wang, Jizhou He, Zhaoqi Wu
We study the efficiency at maximum power, , of irreversible quantum Carnot engines (QCEs) that perform finite-time cycles between a hot and a cold reservoir at temperatures $T…