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Lampo A., García March M.Á., Lewenstein M. Quantum Brownian Motion Revisited: Extensions and Applications

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Lampo A., García March M.Á., Lewenstein M. Quantum Brownian Motion Revisited: Extensions and Applications
Springer, 2019. — 111 p. — (SpringerBriefs in Physics). — ISBN 978-3-030-16803-2.
Quantum Brownian motion represents a paradigmatic model of open quantum system, namely a system inextricably coupled to the surrounding environment. Such a model is largely used in physics, for instance in quantum foundations to approach in a quantitative manner the quantum-to-classical transition, but also for more practical purposes as the estimation of decoherence in quantum optics experiments.
This book presents the main techniques aimed to treat the dynamics of the quantum Brownian particle: Born-Markov master equation, Lindblad equation and Heisenberg equations formalism. Particular attention is given to the interaction between the particle and the bath depends non-linearly on the position of the former. This generalization corresponds to the case in which the bath is not homogeneous. An immediate application is the Bose polaron, specifically an impurity embedded in an ultracold gas.
Table of contents
Introduction
Classical Brownian Motion
Quantum Brownian Motion
Non-linear Quantum Brownian Motion
A Lindblad Model for Quantum Brownian Motion
Heisenberg Equations Approach
Conclusions and Perspectives
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