量子场论的变分方法：高斯近似及其周围的微扰展开
高能物理 - 理论
2008-02-03 v2
摘要
简要回顾了量子场论的函数薛定谔图景表述以及基于该表述的变分高斯近似方法。在介绍近期改进变分近似的尝试之后，我们引入了一种基于背景场方法的新的系统方法，使得能够计算有效作用量高斯近似的逐阶修正项。
引用
@article{arxiv.hep-th/9707234,
title = {Variational Approach to Quantum Field Theory: Gaussian Approximation and the Perturbative Expansion around It},
author = {Jae Hyung Yee},
journal= {arXiv preprint arXiv:hep-th/9707234},
year = {2008}
}
备注
To appear in the proceedings of APCTP-ICTP Joint International Conference '97 on "Recent Developments in Nonperturbative Quantum Field Theory". new references are added