The structural origin of the hard-sphere glass transition in granular packing
Xia, CJ; Li, JD; Cao, YX; Kou, BQ; Xiao, XH; Fezzaa, K; Xiao, TQ; Wang, YJ; Wang, YJ (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, 800 Dong Chuan Rd, Shanghai 200240, Peoples R China.
2015
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
卷号6页码:
文章类型期刊文献
摘要Glass transition is accompanied by a rapid growth of the structural relaxation time and a concomitant decrease of configurational entropy. It remains unclear whether the transition has a thermodynamic origin, and whether the dynamic arrest is associated with the growth of a certain static order. Using granular packing as a model hard-sphere glass, we show the glass transition as a thermodynamic phase transition with a 'hidden' polytetrahedral order. This polytetrahedral order is spatially correlated with the slow dynamics. It is geometrically frustrated and has a peculiar fractal dimension. Additionally, as the packing fraction increases, its growth follows an entropy-driven nucleation process, similar to that of the random first-order transition theory. Our study essentially identifies a long-sought-after structural glass order in hard-sphere glasses.
关键词Forming Liquids Supercooled Liquids Orientational Order Jamming Transition Length Scales Dynamics Relaxation Regions
语种英语
WOS记录号WOS:000363138400001
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25076
专题中科院上海应用物理研究所2011-2018年
通讯作者Wang, YJ (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, 800 Dong Chuan Rd, Shanghai 200240, Peoples R China.
推荐引用方式
GB/T 7714
Xia, CJ,Li, JD,Cao, YX,et al. The structural origin of the hard-sphere glass transition in granular packing[J]. NATURE COMMUNICATIONS,2015,6:—.
APA Xia, CJ.,Li, JD.,Cao, YX.,Kou, BQ.,Xiao, XH.,...&Wang, YJ .(2015).The structural origin of the hard-sphere glass transition in granular packing.NATURE COMMUNICATIONS,6,—.
MLA Xia, CJ,et al."The structural origin of the hard-sphere glass transition in granular packing".NATURE COMMUNICATIONS 6(2015):—.
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