Colloquium: Quantum coherence as a resource
The coherent superposition of states, in combination with the quantization of observables,
represents one of the most fundamental features that mark the departure of quantum …
represents one of the most fundamental features that mark the departure of quantum …
Fundamental aspects of steady-state conversion of heat to work at the nanoscale
In recent years, the study of heat to work conversion has been re-invigorated by
nanotechnology. Steady-state devices do this conversion without any macroscopic moving …
nanotechnology. Steady-state devices do this conversion without any macroscopic moving …
[HTML][HTML] Quantum thermodynamic devices: From theoretical proposals to experimental reality
Thermodynamics originated in the need to understand novel technologies developed by the
Industrial Revolution. However, over the centuries, the description of engines, refrigerators …
Industrial Revolution. However, over the centuries, the description of engines, refrigerators …
Experimental demonstration of quantum effects in the operation of microscopic heat engines
The ability of the internal states of a working fluid to be in a coherent superposition is one of
the basic properties of a quantum heat engine. It was recently predicted that in the regime of …
the basic properties of a quantum heat engine. It was recently predicted that in the regime of …
Nanoscale heat engine beyond the Carnot limit
We consider a quantum Otto cycle for a time-dependent harmonic oscillator coupled to a
squeezed thermal reservoir. We show that the efficiency at maximum power increases with …
squeezed thermal reservoir. We show that the efficiency at maximum power increases with …
Equivalence of quantum heat machines, and quantum-thermodynamic signatures
Quantum heat engines (QHE) are thermal machines where the working substance is a
quantum object. In the extreme case, the working medium can be a single particle or a few …
quantum object. In the extreme case, the working medium can be a single particle or a few …
Dynamical control of quantum heat engines using exceptional points
JW Zhang, JQ Zhang, GY Ding, JC Li, JT Bu… - Nature …, 2022 - nature.com
A quantum thermal machine is an open quantum system coupled to hot and cold thermal
baths. Thus, its dynamics can be well understood using the concepts and tools from non …
baths. Thus, its dynamics can be well understood using the concepts and tools from non …
Quantum heat engines and refrigerators: Continuous devices
Quantum thermodynamics supplies a consistent description of quantum heat engines and
refrigerators up to a single few-level system coupled to the environment. Once the …
refrigerators up to a single few-level system coupled to the environment. Once the …
The role of non-equilibrium vibrational structures in electronic coherence and recoherence in pigment–protein complexes
Recent observations of oscillatory features in the optical response of photosynthetic
complexes have revealed evidence for surprisingly long-lasting electronic coherences …
complexes have revealed evidence for surprisingly long-lasting electronic coherences …
Quantum and information thermodynamics: A unifying framework based on repeated interactions
We expand the standard thermodynamic framework of a system coupled to a thermal
reservoir by considering a stream of independently prepared units repeatedly put into …
reservoir by considering a stream of independently prepared units repeatedly put into …