Correlation between Dynamic Heterogeneity and Medium-Range Order in Two-Dimensional Glass-Forming Liquids

by: Takeshi Kawasaki, Takeaki Araki, Hajime Tanaka

Physical Review Letters, Vol. 99, No. 21. (2007)

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Abstract

A glassy state of matter results if crystallization is avoided upon cooling or increasing density. However, the physical factors controlling the ease of vitrification and nature of the glass transition remain elusive. Using numerical simulations of polydisperse hard disks, we find a direct relation between medium-range crystalline ordering and the slow dynamics which characterizes the glass transition. This suggests an intriguing scenario that the strength of frustration controls both the ease of vitrification and nature of the glass transition. Vitrification may be a process of hidden crystalline ordering under frustration, at least in our system.

@article{citeulike:2071650, abstract = {A glassy state of matter results if crystallization is avoided upon cooling or increasing density. However, the physical factors controlling the ease of vitrification and nature of the glass transition remain elusive. Using numerical simulations of polydisperse hard disks, we find a direct relation between medium-range crystalline ordering and the slow dynamics which characterizes the glass transition. This suggests an intriguing scenario that the strength of frustration controls both the ease of vitrification and nature of the glass transition. Vitrification may be a process of hidden crystalline ordering under frustration, at least in our system.}, author = {Kawasaki, Takeshi and Araki, Takeaki and Tanaka, Hajime }, citeulike-article-id = {2071650}, doi = {10.1103/PhysRevLett.99.215701}, journal = {Physical Review Letters}, keywords = {crystals, dyn-het, glass, simulation}, number = {21}, posted-at = {2008-05-11 01:11:41}, priority = {4}, publisher = {APS}, title = {Correlation between Dynamic Heterogeneity and Medium-Range Order in Two-Dimensional Glass-Forming Liquids}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000099000021215701000001\&idtype=cvips\&gifs=yes}, volume = {99}, year = {2007} }

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TY - JOUR ID - citeulike:2071650 L3 - citeulike-article-id:2071650 TI - Correlation between Dynamic Heterogeneity and Medium-Range Order in Two-Dimensional Glass-Forming Liquids JF - Physical Review Letters VL - 99 IS - 21 PB - APS N2 - A glassy state of matter results if crystallization is avoided upon cooling or increasing density. However, the physical factors controlling the ease of vitrification and nature of the glass transition remain elusive. Using numerical simulations of polydisperse hard disks, we find a direct relation between medium-range crystalline ordering and the slow dynamics which characterizes the glass transition. This suggests an intriguing scenario that the strength of frustration controls both the ease of vitrification and nature of the glass transition. Vitrification may be a process of hidden crystalline ordering under frustration, at least in our system. KW - crystals KW - dyn-het KW - glass KW - simulation AU - Kawasaki, Takeshi AU - Araki, Takeaki AU - Tanaka, Hajime PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000099000021215701000001&idtype=cvips&gifs=yes ER -

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