Quantum engines and refrigerators
Engines are systems and devices that convert one form of energy into another, typically into
a more useful form that can perform work. In the classical setup, physical, chemical, and …
a more useful form that can perform work. In the classical setup, physical, chemical, and …
Thermodynamics of precision in Markovian open quantum dynamics
The thermodynamic and kinetic uncertainty relations indicate trade-offs between the relative
fluctuation of observables and thermodynamic quantities such as dissipation and dynamical …
fluctuation of observables and thermodynamic quantities such as dissipation and dynamical …
Entanglement and thermokinetic uncertainty relations in coherent mesoscopic transport
A deeper understanding of the differences between quantum and classical dynamics
promises great potential for emerging technologies. Nevertheless, some aspects remain …
promises great potential for emerging technologies. Nevertheless, some aspects remain …
Unified thermodynamic–kinetic uncertainty relation
T Van Vu, Y Hasegawa - Journal of Physics A: Mathematical …, 2022 - iopscience.iop.org
Understanding current fluctuations is of fundamental importance and paves the way for the
development of practical applications. According to the thermodynamic and kinetic …
development of practical applications. According to the thermodynamic and kinetic …
Quantum advantage in charging cavity and spin batteries by repeated interactions
Recently, an unconditional advantage has been demonstrated for the process of charging of
a quantum battery in a collisional model [Seah et al., Phys. Rev. Lett. 127, 100601 (2021) …
a quantum battery in a collisional model [Seah et al., Phys. Rev. Lett. 127, 100601 (2021) …
Pareto-optimal cycles for power, efficiency and fluctuations of quantum heat engines using reinforcement learning
The full optimization of a quantum heat engine requires operating at high power, high
efficiency, and high stability (ie, low power fluctuations). However, these three objectives …
efficiency, and high stability (ie, low power fluctuations). However, these three objectives …
Geometric thermodynamic uncertainty relation in a periodically driven thermoelectric heat engine
The thermodynamic uncertainty relation, quantifying a trade-off among average current, the
associated fluctuation (precision), and entropy production (cost), has been formulated at …
associated fluctuation (precision), and entropy production (cost), has been formulated at …
Quadratic enhancement in the reliability of collective quantum engines
We study fluctuations in many-body quantum heat engines operating in the presence of
collective system-bath interactions. We show that collective effects in open quantum systems …
collective system-bath interactions. We show that collective effects in open quantum systems …
Effect of measurement backaction on quantum clock precision studied with a superconducting circuit
We theoretically and experimentally study the precision of a quantum clock near zero
temperature, explicitly accounting for the effect of continuous measurement. The clock is …
temperature, explicitly accounting for the effect of continuous measurement. The clock is …
Engineering dynamical couplings for quantum thermodynamic tasks
Describing the thermodynamic properties of quantum systems far from equilibrium is
challenging, in particular when the system is strongly coupled to its environment, or when …
challenging, in particular when the system is strongly coupled to its environment, or when …