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Dynamical Decimation Renormalization-Group Technique: Kinetic Gaussian Model on Non-Branching, Braching and Multi-branching Koch Curve | | Jian-Yang Zhu
; Z. R. Yang
; | | Date: |
29 Jun 2002 | | Journal: | Phys. Rev. E 61, 6219 (2000) | | Subject: | Disordered Systems and Neural Networks | cond-mat.dis-nn | | Abstract: | A generalizing formulation of dynamical real-space renormalization that suits for arbitrary spin systems is suggested. The new version replaces the single-spin flipping Glauber dynamics with the single-spin transition dynamics. As an application, in this paper we mainly investigate the critical slowing down of the Gaussian spin model on three fractal lattices, including nonbranching, branching and multibranching Koch Curve. The dynamical critical exponent $z$ is calculated for these lattices using an exact decimation renormalization transformation in the assumption of the magnetic-like perturbation, and a universal result $z=1/
u $ is found. | | Source: | arXiv, cond-mat/0207008 | | Services: | Forum | Review | PDF | Favorites | |
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