By its very nature, the second law of thermodynamics is probabilistic, in that its formulation
requires a probabilistic description of the state of a system. This raises questions about the …

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 …

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 …

In apparent contradiction to the laws of thermodynamics, Maxwell's demon is able to
cyclically extract work from a system in contact with a thermal bath, exploiting the information …

Classical thermodynamics is unrivalled in its range of applications and relevance to
everyday life. It enables a description of complex systems, made up of microscopic particles …

We introduce a two-qubit engine that is powered by entanglement and local measurements.
Energy is extracted from the detuned qubits coherently exchanging a single excitation …

Although classical thermal machines power industries and modern living, quantum thermal
engines have yet to prove their utility. Here, we demonstrate a useful quantum absorption …

While the emergent field of quantum thermodynamics has the potential to impact energy
science, the performance of thermal machines is often classical. We ask whether quantum …

We report an experimental realization of Maxwell's demon in a photonic setup. We show that
a measurement at the few-photons level followed by a feed-forward operation allows the …

We establish the fluctuation theorem in the presence of information exchange between a
nonequilibrium system and other degrees of freedom such as an observer and a feedback …