Optimized perturbation theory for bound states: toy model and realistic problem
High Energy Physics - Phenomenology
2009-10-28 v1
Abstract
Within quantum mechanics model we study the problem of resummation of an asymptotic perturbation series for bound state parameters via optimization of the perturbative expansion. A possible application of the method to the positronium lifetime calculation is also briefly considered.
Cite
@article{arxiv.hep-ph/9506370,
title = {Optimized perturbation theory for bound states: toy model and realistic problem},
author = {A. A. Penin and A. A. Pivovarov},
journal= {arXiv preprint arXiv:hep-ph/9506370},
year = {2009}
}
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