A short story of quantum and information thermodynamics

TL;DR

This paper reviews the development of thermodynamical concepts from classical to quantum systems, emphasizing their relation to information and applications in quantum computing and small-scale systems.

Contribution

It provides a comprehensive overview of the evolution of thermodynamics and information theory, highlighting recent advances in quantum thermodynamics and its practical implications.

Findings

Extension of thermodynamics to quantum fluctuations

Insights into measurement-fueled quantum engines

Tools for optimizing quantum computer energy use

Abstract

This Colloquium is a fast journey through the build-up of key thermodynamical concepts, i.e. work, heat and irreversibility -- and how they relate to information. Born at the time of industrial revolution to optimize the exploitation of thermal resources, these concepts have been adapted to small systems where thermal fluctuations are predominant. Extending the framework to quantum fluctuations is a great challenge of quantum thermodynamics, that opens exciting research lines e.g. measurement fueled engines or thermodynamics of driven-dissipative systems. On a more applied side, it provides the tools to optimize the energetic consumption of future quantum computers.