非谐振子微扰近似的收敛序列 I. 谐振方法
高能物理 - 理论
2009-10-28 v2
摘要
我们给出数值证据表明，对量子非谐振子普通微扰理论作一简单变分改进，即便在极端强耦合极限（即纯非谐振情形）下也能给出收敛的近似序列。本文若干新技术可推广至可重整化场论。
引用
@article{arxiv.hep-th/9507155,
title = {Convergent sequences of perturbative approximations for the anharmonic oscillator I. Harmonic approach},
author = {B. Bellet and P. Garcia and and A. Neveu},
journal= {arXiv preprint arXiv:hep-th/9507155},
year = {2009}
}
备注
29 pages, 12 Postscript figures available through anonymous ftp at ftp://algol.lpm.univ-montp2.fr ; replaces earlier version which could not be postscripted presumably due to lack of figures.uu file