TL;DR
This paper introduces quantum thermodynamics, exploring how classical thermodynamic concepts translate to quantum systems, emphasizing the role of fluctuations, open system modeling, and quantum tasks like cooling and entanglement.
Contribution
It provides an introductory overview of quantum thermodynamics, illustrating the emergence of thermodynamic laws from quantum theory and modeling open quantum systems with Markovian master equations.
Findings
Thermodynamics laws emerge from quantum theory.
Open quantum systems can be modeled by Markovian master equations.
Fluctuations significantly impact quantum thermodynamic descriptions.
Abstract
The theory of quantum thermodynamics investigates how the concepts of heat, work, and temperature can be carried over to the quantum realm, where fluctuations and randomness are fundamentally unavoidable. These lecture notes provide an introduction to the thermodynamics of small quantum systems. It is illustrated how the laws of thermodynamics emerge from quantum theory and how open quantum systems can be modeled by Markovian master equations. Quantum systems that are designed to perform a certain task, such as cooling or generating entanglement are considered. Finally, the effect of fluctuations on the thermodynamic description is discussed.
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