Field-Induced structure and pair distribution function of fractals |
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Authors: | Li Hong Tan Zhi-jie Zhang Wei Zou Xian-wu |
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Affiliation: | (1) Department of Physics, Wuhan University, 430072 Wuhan, China |
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Abstract: | The structure transitions in cluster-cluster aggregation (CCA) and diffusion-limited aggregation (DLA) under external electric fields have been investigated by computer simulations. With the increase of external electric field, there exists a structure transition from disorder to order, i. e., the aggregates change from fractals of diffusion-limited CCA and DLA to the electrorheological chains parallel to electric field. Pair distribution shows, the system changes from local order to long-range order gradually with the external field rising. |
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Keywords: | cluster-cluster aggregation diffusion-limited aggregation structure transition electrorheological chain pair distribution function |
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