Effects of the growth mechanism on the structure of aggregation clusters

M. Kolb
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引用次数: 24

Abstract

Angular correlations are calculated inside aggregation clusters of diffusion limited particle (PA) and cluster (CA) aggregation. The aggregates are isotropic for CA but anisotropic for PA, scaling differently parallel and perpendicular to the direction of growth. The correlation function exponents in two dimensions differ by ΔA=0,16±0,05 in the two directions. This leads to correction to scaling effects, especially for growth on a lattice Les correlations angulaires sont calculees a l'interieur des amas obtenus par collage de particules (PA) et par collage d'amas (CA). Alors que les amas sont isotropes pour CA, ils sont anisotropes pour PA. Les exposants de la fonction de correlation en deux dimensions, parallele et perpendiculaire a la direction de croissance, different de ΔA=0,16±0,05 pour Pa. Ceci introduit des corrections aux lois d'echelle.
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生长机制对聚集簇结构的影响
计算了扩散受限粒子(PA)和聚类(CA)聚集簇内的角相关性。CA的聚集体是各向同性的,而PA的聚集体是各向异性的,在生长方向上平行和垂直的尺度不同。两个维度上的相关函数指数在两个方向上相差ΔA=0,16±0,05。这导致了尺度效应的修正,特别是对于晶格上的生长,Les correlation angulaires soncullees a 'interieur des amas obtenus par collage de particles (PA)和par collage d'amas (CA)。CA的各向同性和PA的各向异性是不同的。两个维度上的关联度,平行垂直方向上的关联度,不同的关联度ΔA=0,16±0,05 pour Pa。塞西介绍了“梯队法”的修正。
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