57 citations · 239 across the 17 of their papers we have counts for
17 papers
Berry-Phase-Induced Chirality in Thermodynamics
Zhaoyu Fei, Yu-Han Ma
Geometric phases are foundational to isolated quantum systems, yet their thermodynamic role in open systems remains unrevealed Developing a dissipative adiabatic perturbation expan…
Temperature fluctuations in mesoscopic systems
Zhaoyu Fei, Yu-Han Ma
We study temperature fluctuations in mesoscopic -body systems undergoing non-equilibrium processes from the perspective of stochastic thermodynamics. By introducing a stochastic…
A Hydrodynamical Description of Bose Liquid with Fractional Exclusion Statistics
Zhaoyu Fei, Yu Chen
Hydrodynamical systems are usually taken as chaotic systems with fast relaxations. It is counter intuitive for "ideal" gas to have a hydrodynamical description. We find that a hydr…
Quantum stochastic thermodynamics: A semiclassical theory in phase space
Zhaoyu Fei
A formalism for quantum many-body systems is proposed through a semiclassical treatment in phase space, allowing us to establish a stochastic thermodynamics incorporating quantum s…
Many-body systems with SU(1,1) dynamical symmetry: from dynamics to thermodynamics based on the trace formula
Zhaoyu Fei, C. P. Sun
For a quantum (many-body) system with dynamical symmetry described by a given Lie group, we study the trace of exponential operators with complex coefficients in one of the irreduc…
Efficiency statistics of a quantum Otto cycle
Zhayu Fei, Jin-Fu Chen, Yu-Han Ma
The stochastic efficiency [G. Verley et al., Nat. Commun. 5, 4721 (2014)] was introduced to evaluate the performance of energy-conversion machines in micro-scale. However, such an…
A microscopic theory of Curzon-Ahlborn heat engine
Y. H. Chen, Jin-Fu Chen, Zhaoyu Fei +1
Abstract The Curzon-Ahlborn (CA) efficiency, as the efficiency at the maximum power (EMP) of the endoreversible Carnot engine, has a significant impact on finite-time thermodynamic…
Universal scaling of work statistics for quantum quenches
Zhaoyu Fei, C. P. Sun
In this paper, we systematically study the work statistics for quantum phase transition. For a quantum system approached by an anisotropic conformal field theory near the critical…
Work statistics across a quantum phase transition
Zhaoyu Fei, Nahuel Freitas, Vasco Cavina +2
We investigate the statistics of the work performed during a quench across a quantum phase transition using the adiabatic perturbation theory. It is shown that all the cumulants of…
Nonequilibrium Green's function's approach to the calculation of work statistics
Zhaoyu Fei, H. T. Quan
The calculation of work distributions in a quantum many-body system is of significant importance and also of formidable difficulty in the field of nonequilibrium quantum statistica…
Quantum corrections to the entropy and its application in the study of quantum Carnot engines
Tian Qiu, Zhaoyu Fei, Rui Pan +1
Entropy is one of the most basic concepts in thermodynamics and statistical mechanics. The most widely used definition of statistical mechanical entropy for a quantum system is int…
Group-theoretical approach to the calculation of quantum work distribution
Zhaoyu Fei, H. T. Quan
Usually the calculation of work distributions in an arbitrary nonequilibrium process in a quantum system, especially in a quantum many-body system is extremely cumbersome. For all…
Path integral approach to the calculation of the characteristic function of work
Tian Qiu, Zhaoyu Fei, Rui Pan +1
Work statistics characterizes important features of a non-equilibrium thermodynamic process. But the calculation of the work statistics in an arbitrary non-equilibrium process is u…
Quantum-classical correspondence of work distributions for initial states with quantum coherence
Rui Pan, Zhaoyu Fei, Tian Qiu +2
The standard definition of quantum fluctuating work is based on the two-projective energy measurement, which however does not apply to systems with initial quantum coherence becaus…
Quantum work distributions associated with the dynamical Casimir effect
Zhaoyu Fei, Jing-Ning Zhang, Rui Pan +2
We study the joint probability distribution function of the work and the change of photon number of the nonequilibrium process of driving the electromagnetic (EM) field in a three-…
Quantifying the validity and breakdown of the overdamped approximation in stochastic thermodynamics: Theory and experiment
Rui Pan, Thai M. Hoang, Zhaoyu Fei +4
Stochastic thermodynamics provides an important framework to explore small physical systems where thermal fluctuations are inevitable. In the studies of stochastic thermodynamics,…
Quantum corrections of work statistics in closed quantum systems
Zhaoyu Fei, H. T. Quan, Fei Liu
We investigate quantum corrections to the classical work characteristic function (CF) as a semiclassical approximation to the full quantum work CF. In addition to explicitly establ…