Open quantum systems have become an active area of research, owing to its potential applications in many different fields ranging from computation to biology. Here, we review the formalism of dynamical maps used to represent the time evolution of open quantum systems and discuss the various representations and properties of the same, with many examples.
@article{arxiv.1902.00909,
title = {An Invitation to Quantum Channels},
author = {Vinayak Jagadish and Francesco Petruccione},
journal= {arXiv preprint arXiv:1902.00909},
year = {2019}
}