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Quantum thermal machines and batteries
The seminal work by Sadi Carnot in the early nineteenth century provided the blueprint of a
reversible heat engine and the celebrated second law of thermodynamics eventually …
reversible heat engine and the celebrated second law of thermodynamics eventually …
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 …
A quantum heat engine driven by atomic collisions
Quantum heat engines are subjected to quantum fluctuations related to their discrete energy
spectra. Such fluctuations question the reliable operation of thermal machines in the …
spectra. Such fluctuations question the reliable operation of thermal machines in the …
Strong coupling thermodynamics of open quantum systems
A general thermodynamic framework is presented for open quantum systems in fixed contact
with a thermal reservoir. The first and second law are obtained for arbitrary system-reservoir …
with a thermal reservoir. The first and second law are obtained for arbitrary system-reservoir …
Non-Markovianity and negative entropy production rates
Entropy production plays a fundamental role in nonequilibrium thermodynamics to quantify
the irreversibility of open systems. Its positivity can be ensured for a wide class of setups, but …
the irreversibility of open systems. Its positivity can be ensured for a wide class of setups, but …
Spin quantum heat engines with shortcuts to adiabaticity
We consider a finite-time quantum Otto cycle with single-and two spin-1/2 systems as its
working medium. To mimic adiabatic dynamics at a finite time, we employ a shortcut-to …
working medium. To mimic adiabatic dynamics at a finite time, we employ a shortcut-to …
Non-Markovian thermal operations boosting the performance of quantum heat engines
It is investigated whether non-Markovianity, ie, the memory effects resulting from the
coupling of the system to its environment, can be beneficial for the performance of quantum …
coupling of the system to its environment, can be beneficial for the performance of quantum …
Non-Hermitian pseudomodes for strongly coupled open quantum systems: Unravelings, correlations, and thermodynamics
The pseudomode framework provides an exact description of the dynamics of an open
quantum system coupled to a non-Markovian environment. Using this framework, the …
quantum system coupled to a non-Markovian environment. Using this framework, the …
Repeated interactions and quantum stochastic thermodynamics at strong coupling
The thermodynamic framework of repeated interactions is generalized to an arbitrary open
quantum system in contact with a heat bath. Based on these findings, the theory is then …
quantum system in contact with a heat bath. Based on these findings, the theory is then …
[HTML][HTML] Dynamics of a strongly coupled quantum heat engine—Computing bath observables from the hierarchy of pure states
V Boettcher, R Hartmann, K Beyer… - The Journal of Chemical …, 2024 - pubs.aip.org
We present a fully quantum dynamical treatment of a quantum heat engine and its baths
based on the Hierarchy of Pure States (HOPS), an exact and general method for open …
based on the Hierarchy of Pure States (HOPS), an exact and general method for open …