We present quantum stochastic calculus in terms of diagrams taking weights in the algebra of observables of some quantum system. In particular, we note the absence of non-time-consecutive Goldstone diagrams. We review recent results in Markovian limits in these terms.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-bc73-0-13,
author = {John Gough},
title = {Feynman diagrams and the quantum stochastic calculus},
journal = {Banach Center Publications},
volume = {72},
year = {2006},
pages = {187-198},
zbl = {1103.81026},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc73-0-13}
}
John Gough. Feynman diagrams and the quantum stochastic calculus. Banach Center Publications, Tome 72 (2006) pp. 187-198. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc73-0-13/