1.

Record Nr.

UNINA9910739476303321

Autore

Lampo Aniello

Titolo

Quantum Brownian Motion Revisited [[electronic resource] ] : Extensions and Applications / / by Aniello Lampo, Miguel Ángel García March, Maciej Lewenstein

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2019

ISBN

3-030-16804-2

Edizione

[1st ed. 2019.]

Descrizione fisica

1 online resource (111 pages)

Collana

SpringerBriefs in Physics, , 2191-5423

Disciplina

530.475

Soggetti

Quantum physics

Statistical physics

Low temperature physics

Low temperatures

Quantum optics

Phase transformations (Statistical physics)

Condensed materials

Quantum Physics

Statistical Physics and Dynamical Systems

Low Temperature Physics

Quantum Optics

Quantum Gases and Condensates

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

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 -- Heisenberg principle for density operators -- Gaussian approximation -- Bibliography.

Sommario/riassunto

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.