Phase Transitions of Ultradiffusion Model on Vicsek Snowflakes Fractal

Chin. Phys. Lett.

1991, Vol. 8

Issue (9): 476-479 DOI:

Original Articles

Phase Transitions of Ultradiffusion Model on Vicsek Snowflakes Fractal

WANG Xiaomin;TAO Ruibao^*

Department of Physics, Fudan University, Shanghai 200433 ^*also Center of Theoretical Physics(CCAST World Laboratory), Beijing

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WANG Xiaomin, TAO Ruibao 1991 Chin. Phys. Lett. 8 476-479

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Abstract Through an exact real space renormaligation group approach, we analysed the ultradiffusion with a hierarchical pattern of hopping rates defined on Vicsek snowflackes fractal. The transition from anomalous to normal diffusion is shown to occur in the arbitrary n-dimension (n-D) case. In the presence of external field, we find another unusual transition which is essentially different from the one for biased ultradiffusion of 1-D multifurcating hierarchical system.

Keywords: 64.70.Kb 05.40.+j

Published: 01 September 1991

PACS:	64.70.Kb
	05.40.+j

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1991/V8/I9/0476

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