乱れを制御可能な系におけるガラス転移・ジャミングの研究

1. 论文《揭示控制过冷液体快、慢玻璃动力学的隐藏结构秩序》发表在《物理学》杂志上。启X.2。我们研究了“非晶固体的固有结构特征”。我们引入表征粒子运动对无穷小热激发敏感性的微观有序参数Ψ，成功地提取了明显无序的非晶态结构的固有特征，揭示了非晶态结构形成时的非平凡自组织特征。在此基础上，我们揭示了被卡固体的边缘稳定性，并进一步发现了被卡临界度与边缘稳定性之间的非平凡相互作用。我们还揭示了Ψ场的尺度不变性，表明其独特的远程相关性，并通过渗流分析进一步证实了这一点。这些普遍的结构特征是由于特殊的自组织导致机械刚性而出现的，这可以作为对非晶态固体的连贯理解的一般起点。我们研究了“固有态在玻璃材料动力学中的作用”。从几何和力学两个方面，我们澄清了固有状态的相关性，以理解玻璃化转变现象。

1. The paper "Revealing Hidden Structural Order Controlling Both Fast and Slow Glassy Dynamics in Supercooled Liquids" is published in Phys. Rev. X.2. We have studied "Inherent structural characteristics of amorphous solids". We introduce a microscopic order parameter Ψ characterizing the susceptibility of particle motion to infinitesimal thermal excitation, and successfully extract the inherent characteristics of apparently disordered amorphous structures and reveal the signature of nontrivial self-organization upon amorphous structure formation. Based on this order parameter, we reveal the marginal stability of jammed solids and further find a nontrivial interplay between jamming criticality and marginal stability. We also reveal the scale invariant nature of Ψ field, indicating its unique long-range correlation, which is further confirmed by percolation analysis. These universal structural features emerge as a consequence of peculiar self-organization leading to the mechanical rigidity, which may serve as a general starting point towards a coherent understanding of amorphous solids.3. We have studied "Role of inherent states for dynamics in glassy materials". From both geometric and mechanical aspects, we clarify the relevance of inherent states for the understanding of glass transition phenomenon.