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2022-03-02
摘要翻译:
已知的动力学约束自旋模型表现出类似于玻璃形成系统的动力学行为。它们通常被理解为玻璃成型器的粗晶模型,就某些“流动性”领域而言。由于缺乏从更微观的角度获得这些模型的粗粒度程序,这个“移动性”领域的身份仍然难以捉摸。在这里,我们展示了一个将二维软圆盘玻璃成形器的动力学映射到动力学约束自旋模型的方案,提供了一个连接这两种方法的尝试。
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英文标题:
《Connecting microscopic simulations with kinetically constrained models
  of glasses》
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作者:
Matthew T. Downton and Malcolm P. Kennett
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最新提交年份:
2007
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分类信息:

一级分类:Physics        物理学
二级分类:Disordered Systems and Neural Networks        无序系统与神经网络
分类描述:Glasses and spin glasses; properties of random, aperiodic and quasiperiodic systems; transport in disordered media; localization; phenomena mediated by defects and disorder; neural networks
眼镜和旋转眼镜;随机、非周期和准周期系统的性质;无序介质中的传输;本地化;由缺陷和无序介导的现象;神经网络
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一级分类:Physics        物理学
二级分类:Soft Condensed Matter        软凝聚态物质
分类描述:Membranes, polymers, liquid crystals, glasses, colloids, granular matter
膜,聚合物,液晶,玻璃,胶体,颗粒物质
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一级分类:Physics        物理学
二级分类:Statistical Mechanics        统计力学
分类描述:Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变,热力学,场论,非平衡现象,重整化群和标度,可积模型,湍流
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英文摘要:
  Kinetically constrained spin models are known to exhibit dynamical behavior mimicking that of glass forming systems. They are often understood as coarse-grained models of glass formers, in terms of some "mobility" field. The identity of this "mobility" field has remained elusive due to the lack of coarse-graining procedures to obtain these models from a more microscopic point of view. Here we exhibit a scheme to map the dynamics of a two-dimensional soft disc glass former onto a kinetically constrained spin model, providing an attempt at bridging these two approaches.
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PDF链接:
https://arxiv.org/pdf/704.1497
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