… magnetic-field regime the efficiency achieves the asymptotic limit η ∼ 1 − 1/α2, in agreement
with results previously reported in the literature for mechanically driven quantum engines [1]…

… designs for a magnetically-driven quantum engine, where the tunable parameter is the
intensity of an external magnetic field. Along this article, we shall present the general quantum …

… the thermodynamics of small quantum systems envisage nonclassical thermal machines.
In … a quantum heat engine based on a spin-1=2 system and nuclear magnetic resonance …

… magnetic state of the 1D quantum magnet LiCu2O2 was reported in Ref. [29]. Switching of the
ferroelectric polarization in a 1D spin chain via the external magnetic … quantum Otto engine …

… thermal bath is critical for the quantum advantage of a quantum Szilárd engine, where quantum
… correlation through quantum steering, we reveal that the heat engine is quantum when …

… In this paper, we show the frictional effect using a model of quantum heat engine, … drive
one of the spins in a quantum adiabatic process, or when we change the external magnetic field …

… the work extractable from a heat engine is bounded not only by … quantum mutual information
contained inside the memory. We then find that the engine can be driven by purely quantum …

… 10 , and quantum heat engine operation has been shown in nuclear magnetic resonance
11… We operate the quantum heat engine in the spin-state manifold of the seven Cs hyperfine …

… mesoscopic heat engine that (i) sustains persistent work extraction thanks to self-oscillations
whose origin is purely quantum … Engine and load are coupled via electromagnetic induction. …

… We propose a four-level quantum heat engine in an Otto cycle with a working substance
of two spins subject to an external magnetic field and coupled to each other by a one-axis …