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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Generalization of Langevin Dynamics from Spatio-Temporal Dressed Dynamics Perspective
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Generalization of Langevin Dynamics from Spatio-Temporal Dressed Dynamics Perspective

机译：从时空衣服动力学视角的Langevin动态的概括

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摘要

Understanding multiscale dynamics characteristics has been the holy grail in a broad range of scientific disciplines from physics, chemistry, to biology, and beyond. The seminal Langevin equation successfully unravels remarkable details of Brownian motion dynamics involving stochastic collisions from the fluidic medium. However, extraordinary phenomena beyond the scope of Langevin dynamics were observed to exhibit a series of multiscale dynamic features in recent years. Here, an explicit spatio-temporal coupled kernel is developed to provide the microscopic account for delicate dynamic coupling between particle and medium in the dressed dynamics perspective. This methodology is applied to investigate an aqueous solvation shell model with an explicit spatial boundary to illustrate the significance of spatial and temporal coupling, leading to a general temporal profile of dressed dynamics over 12 orders of magnitude in time In particular, the time-resolved viscosity is formulated to address the remarkable enhancement of viscosity measured by the liquid cell electron microscopy. The understanding of dressed dynamics processes will be greatly enriched by further studies on the detailed dynamics that manifests the microscopic inhomogeneity of medium.
机译：了解MultiScale Dynamics特征是来自物理学，化学，生物学的广泛科学学科的圣杯。最精美兰辛等方程成功地解除了涉及流体介质随机碰撞的布朗运动动态的显着细节。然而，近年来观察到超出Langevin动态范围的非凡现象，据观察了一系列多尺度动态特征。这里，开发了一种显式的时空耦合核，以提供微粒占粒子和培养基之间的微妙动态耦合的微观耦合。应用该方法以研究具有明确的空间边界的水性溶剂化壳模型，以说明空间和时间耦合的意义，从而尤其是在时间分辨粘度的时间上超过12个级的衣服动力学的一般时间轮廓配制以解决通过液体电池电子显微镜测量的显着提高粘度。对穿着动力学过程的理解将通过进一步研究表明培养基的微观缺少性的详细动态进行了大大富集。

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