Attraction-driven aggregation of dipolar particles in an external magnetic field

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	Attraction-driven aggregation of dipolar particles in an external magnetic field
	Gergo, P ; Ferenc, K ; Imre, V ; Dora, S ; Sun, G
刊名	PHYSICAL REVIEW E
	2011
卷号	83 期号:6
关键词	MICROMECHANICS
ISSN号	1539-3755
通讯作者	Gergo, P: Univ Debrecen, Dept Theoret Phys, POB 5, H-4010 Debrecen, Hungary.
中文摘要	We present a detailed experimental study of the aggregation of particles of permanent magnetic moment in an external magnetic field. The experiments are performed with millimeter-sized particles floating on the surface of water. Due to the large size of the particles, thermal noise does not have any relevance in the system; the particles undergo deterministic motion. Experiments are carried out varying the concentration which also controls the relative importance of the dipole-external field and the dipole-dipole interactions. We determined the exponents characterizing the aggregation process and found that the attraction driven aggregation of dipolar particles obeys the Vicsek-Family dynamic scaling. The exponents are found to have a concentration dependence which can be attributed to the change of mobility of clusters and their interaction at higher concentrations.
收录类别	SCI
资助信息	Chinese-Hungarian Intergovernmental Project [27/2007]; European Social Fund; European Regional Development Fund; Hungarian Academy of Sciences; OTKA [K84157]; [TAMOP-4.2.1/B-09/1/KONV-2010-0007]
语种	英语
公开日期	2013-09-17
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/34069]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Gergo, P,Ferenc, K,Imre, V,et al. Attraction-driven aggregation of dipolar particles in an external magnetic field[J]. PHYSICAL REVIEW E,2011,83(6).
APA	Gergo, P,Ferenc, K,Imre, V,Dora, S,&Sun, G.(2011).Attraction-driven aggregation of dipolar particles in an external magnetic field.PHYSICAL REVIEW E,83(6).
MLA	Gergo, P,et al."Attraction-driven aggregation of dipolar particles in an external magnetic field".PHYSICAL REVIEW E 83.6(2011).