Improvement of Renormalization Group

Improvement of Renormalization Group for Barenblatt Equation

We construct a Hartree-Fock (self-consistent)-like algorithm with renormalization group (RG) approach to calculate the anomalous dimension in a nonlinear diffusion equation. We find that our result improves the original RG work because we include the effect of Heaviside function.

作 者： TU Tao CHENG Geng LIU Jian-Wei   作者单位： TU Tao(Center for Advanced Study, Tsinghua University, Beijing 100084, China)

CHENG Geng(Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, China)

LIU Jian-Wei(Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China) 

刊 名： 理论物理通讯（英文版）  ISTIC SCI 英文刊名： COMMUNICATIONS IN THEORETICAL PHYSICS  年，卷(期)： 2004 42(8)  分类号： O4  关键词： nonlinear diffusion   renormalization group   iterative approach  

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