One method employs the meson self-energy, another method employs the renormalization group The interaction Lagrangian between the nucleon and the π-meson has two forms, one form named pseudo-scalar coupling, another form named pseudo-vector coupling.
用介子自能方法计算π介子的有效质量，π介子和核子的相互作用拉氏量是赝矢耦合，具有不可重整性，即不能通过在拉氏量中添加有限项将理论中的无穷大去掉。
In the third chapter, we introduce another renormalization group method based on functional integral, which acts on action, integrating out fast modes but leaving the free field action S_0 invariant.
在第三章中，介绍了基于泛函积分的重整化群方法，即对作用量进行重整化群变换，把快模积掉，保持自由场作用S_0不变。
For the Lamb Shift material see The Lamb Shift in Dimensional Regularization on the Hydrogen Lamb shift in dim. reg, and Logarithms of Alpha in QED Bound States from the Renormalization Group on anomalous dimensions in NRQED.
Lamb位移的材料可以参考dim.reg档中关于氢原子Lamb位移的维度正规化中的Lamb位移，以及关于非相对论性量子电动力学中反常维度的重整化群中量子电动力学束缚态的Alpha对数。
In the first chapter of this thesis, the development process of renormalization group approaches and our main work are introduced.
本文在第一章中初步介绍了重整化群理论的发展过程和本文的主要工作。
All the conclusions obtain here are well consistent with the corresponding results derived by the dynamic renormalization group theory, numerical simulation and experiment.
这里所得到生长方程的奇异标度性质与利用重正化群理论、数值模拟以及实验相符很好。
The results obtained are compared with that of dynamic renormalization-group theory and scaling analysis.
将这一结果与动力学重正化群理论和直接标度分析得到的结果进行了对比。
The basic clue and the main steps of renormalization group method used for the description of critical phenomena is introduced.
介绍了用重整化群方法描述临界现象的基本思路和做法。
According to the observation and dimensional analysis, a statistical fractal model and a renormalization group model of weak surface are proposed.
通过对损伤演化过程的实验观测和量纲分析，提出了一种统计分形模型和重正化群弱面模型。
In this thesis, computer molecular simulation, perturbation theory and renormalization group theory are adopted to study the thermodynamic properties for this system.
本文对该体系的性质分别进行了分子模拟、微扰理论及重整化群理论的研究。
The results obtained are compared with that of dynamic renormalization-group theory and scaling analys...
将这一结果与动力学重正化群理论和直接标度分析得到的结果进行了对比。
With this identity the renormalization equations are established. The renormalization of the pure gauge field theory in coset space of the Abelian chiral group is carried out by solving these equations.
利用此恒等式建造了重整化方程，并由方程的解将阿贝尔手征群陪集纯规范场理论重整化。
The purpose of this course is not only to give students a deeper understanding of thermodynamics and the principles of equilibrium statistical mechanics, but also to introduce them to the modern topics, such as Monte Carlo samplings, the renormalization group theory, and the fluctuation-dissipation theorem.
课程的目的是希望能让同学，除了对于热力学与平衡统计力学原理，有更深刻的了解外，能进一步接触到许多重要的课题，这包括蒙地卡罗取样、重整化群理论、与扰动－耗散定理。
The present paper presents an uniformly valid asymptotic expansion for a class of singular perturbation boundary value problems via the renormalization group method.
用重正化群方法，对一类非线性奇异摄动问题构造了一致有效的渐近展式。
By using the so called renormalization group method, we give a uniformly valid asymptotic expansions of the boundary value problems under consideration.
利用重正化群方法，构造了该边值问题解的一致有效渐近展开式。
Flow characteristics of the rectangular aqueduct was numerically studied using two-dimensional unsteady Reynolds averaged incompressible Navier-Stokes equations combined with the RNG (renormalization group) k - ε turbulence model. Two situations are considered including empty and full depth of the aqueduct.
基于二维非定常不可压缩雷诺平均N-S方程，采用RNG（RenormalizationGroup）k-ε两方程湍流模型，对矩形渡槽在空槽和满槽情况下的二维绕流特性进行了分析。
In this paper, we use full diagonalization, Lanczos exact diagonalization and density matrix renormalization group to deal with the one dimensional lattice. Although the system include several sites, the result is agreed with the analyzing method.
本文的最后用完全对角化方法、Lanczos精确对角化方法和密度矩阵重整化群方法分别处理一维晶格系统，尽管所处理的系统格点数非常少，仍然得到了与理论研究一致的结果。
The content of this paper includes: 1. Using the methods of Fourier transformation and moment-space renormalization group, we studied the critical behaviour of the Gauss model on a two-dimensional triangular lattice, the critical point and the critical exponents are calculated.
利用傅立叶变换和动量空间重整化群变换的方法，研究了二维三角晶格上Gauss模型的相变和临界性质，求出了系统的临界点和临界指数。
The critical properties of a quenched site-correlated percolation system is treated by real-space renormalization group method.
本文用实空间重整化群方法处理有粹灭关联的渗流系统。
On application of renormalization group method in stability analysis of waste dump on mines
重整化群法在矿山排土场稳定性分析中的应用
The renormalization group method is used to study the randomness and connectivity of the failture for coal floor element.
利用重整化群方法研究煤层底板岩层单元体破裂的随机性和关联性。