Further analysis of the connected moments expansion
Quantum Physics
2015-05-20 v2
Abstract
We apply the connected moments expansion to simple quantum--mechanical examples and show that under some conditions the main equations of the approach are no longer valid. In particular we consider two--level systems, the harmonic oscillator and the pure quartic oscillator.
Keywords
Cite
@article{arxiv.1011.2260,
title = {Further analysis of the connected moments expansion},
author = {Paolo Amore and Francisco M. Fernández and Martin Rodriguez},
journal= {arXiv preprint arXiv:1011.2260},
year = {2015}
}
Comments
19 pages; 2 tables; 4 figures