Collision models in quantum optics
Quantum Physics
2018-03-09 v3
Abstract
Quantum collision models (CMs) provide advantageous case studies for investigating major issues in open quantum systems theory, and especially quantum non-Markovianity. After reviewing their general definition and distinctive features, we illustrate the emergence of a CM in a familiar quantum optics scenario. This task is carried out by highlighting the close connection between the well-known input-output formalism and CMs. Within this quantum optics framework, usual assumptions in the CMs' literature - such as considering a bath of non-interacting yet initially correlated ancillas - have a clear physical origin.
Cite
@article{arxiv.1712.04994,
title = {Collision models in quantum optics},
author = {Francesco Ciccarello},
journal= {arXiv preprint arXiv:1712.04994},
year = {2018}
}