Correlation functions from a unified variational principle: trial Lie groups
Statistical Mechanics
2015-06-22 v1 Mathematical Physics
math.MP
Abstract
Time-dependent expectation values and correlation functions for many-body quantum systems are evaluated by means of a unified variational principle. It optimizes a generating functional depending on sources associated with the observables of interest
Cite
@article{arxiv.1506.06015,
title = {Correlation functions from a unified variational principle: trial Lie groups},
author = {Roger Balian and Marcel Veneroni},
journal= {arXiv preprint arXiv:1506.06015},
year = {2015}
}
Comments
42 pages