The models of percolation, rock fracture and flit ant are studied on the real-space renormalization group approach.
本文利用实空间重整化群方法对渗流、岩裂、飞蚁模型进行了研究。
By using the method of density matrix renormalization group, the ground state entanglement in different systems is studied.
通过密度矩阵重整化群的方法，我们研究了不同系统中的基态纠缠。
Wilson's Numerical Renormalization Group (NRG) method is such a celebrated example, which is also the focus of this thesis.
威尔逊的数值重整化群方法(NRG)是其中一个很著名的例子，同时也是本论文讨论的中心所在。
Thermal Renormalization Group equations are derived in the framework of Closed Time Path formalism in real time temperature field theory.
在闭合时间路径的实时温度场论的框架下，导出了热重整化群方程。
Renormalization group method is an effective tool to obtain the uniformly valid asymptotic expansion exact solutions of this kind of problems.
重正化群方法已成为获得这类问题精确解的一致有效渐近展开式的有用工具。
An effective numerical solution of renormalization group equations is introduced, and compared with the traditional solution of polynomial expansion.
介绍了重正化群方程的一种有效的数值解法，并与多项式展开的传统解法作了比较。
Using the real-space renormalization group transformation method, critical behavior on two-dimension and d-dimension(d>2) X fractal lattices is studied.
采用实空间重整化群变换的方法，研究了2维和d（d>2）维X分形晶格上的临界性质。
Concepts such as matching, renormalization, the operator product expansion, power counting, and running with the renormalization group will be discussed.
我们将讨论诸如匹配，重整化，算符乘积展开，幂次计数，和重整化群跑动等概念。
Renormalization group method which calculates fractal dimension theoretically is the most useful tool when we study critical phenomena of phase transition.
重整化群方法是研究相变的临界现象最有力的工具，它是一种由理论求得分形维数的方法。
It shows that critical failure in spallation results from a cascade of coalescence of microcracks. In view of this fact, a renormalization group model Of weak surfaces in combinat…
据此提出了一重正化群弱面模型，并对损伤演化后期的临界破坏现象进行了初步的分析和探讨。
These transformations are made up of renormalization group. Then the fixed point of transformation can be found, among which those unstable ones are critical points of phase transition.
然后找出重整化变换的不动点，在所有不动点中那些不稳定不动点是发生相变的临界点。
In this paper used position space renormalization group method calculated critical index of threecornered lattice of majority layter. and discussed the affect of anisotropy to critical index.
本文用实空间重整化群方法，计算了层状三角形晶格点阵的临界指数，并讨论了各向异性对临界指数的影响。
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 usual ways to study the subject are the transfer-matrix method, combination solution, the renormalization-group technique, and graphic expansion, and so forth.
在研究这类问题时，常用的理论方法有转移矩阵法、组合解法、重整化群方法及图形展开法等。
The method of density matrix renormalization-group is applied to obtain logarithmic behavior of the entropy.
我们利用密度矩阵重整化群方法来研究熵的对数行为。
The method of density matrix renormalization-group is applied to obtain logarithmic behavior of the entropy.
我们利用密度矩阵重整化群方法来研究熵的对数行为。
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