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Do Binary Hard Disks Exhibit an Ideal Glass Transition?

不要二进制硬盘图表玻璃化转变的理想?

作     者:Aleksandar Donev Frank H. Stillinger Salvatore Torquato 

作者机构:Program in Applied and Computational Mathematics Princeton University Princeton New Jersey 08544 USA PRISM Princeton University Princeton New Jersey 08544 USA Department of Chemistry Princeton University Princeton New Jersey 08544 USA Princeton Center for Theoretical Physics Princeton University Princeton New Jersey 08544 USA 

出 版 物:《Physical Review Letters》 (Phys Rev Lett)

年 卷 期:2006年第96卷第22期

页      面:225502-225502页

核心收录:

学科分类:07[理学] 0702[理学-物理学] 

基  金:National Science Foundation  NSF  (0312067) 

主  题:.glassy Phys Rev Hard Disks PRL week ending Princeton University Princeton gurational New Jersey USA hard-disk jammed ideal glass exponential number phase-separated crystal 

摘      要:We demonstrate that there is no ideal glass transition in a binary hard-disk mixture by explicitly constructing an exponential number of jammed packings with densities spanning the spectrum from the accepted amorphous glassy state to the phase-separated crystal. Thus the configurational entropy cannot be zero for an ideal amorphous glass, presumed distinct from the crystal in numerous theoretical and numerical estimates in the literature. This objection parallels our previous critique of the idea that there is a most-dense random (close) packing for hard spheres [Torquato et al., Phys. Rev. Lett. 84, 2064 (2000)].

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