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首页> 外文会议>NATO advanced study institute on physics and materials science of vortex states, flux pinning and dynamics >Effect of pinning sites on the decay of the orientational order of a vortex lattice
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Effect of pinning sites on the decay of the orientational order of a vortex lattice

机译：钉扎网站对涡流晶格校定量衰减的影响

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Molecular dynamics method has been used to simulate dynamics of a vortex population in a micron size sample. The time development of the vortext system has been traced by plotting the time dependence of the standard deviation of the angular separation #sigma# _#phi# of the nearest vortices. The oscillatory decaying behavior of #sigma# _#phi# has been discovered while the vortex propulation settles to a stable equilibrium configuration after hopping around various relative equilibrium configurations. A single and a number of attractive pinning centers are included to study the extent of the pinning effect to this equilibrium process. Randomly scattered pinning sites have distorted this oscillatory behaior to the extent that they have been shielded more effectively at higher applied fields.
机译：分子动力学方法已用于模拟微米尺寸样品中涡旋群的动态。通过绘制角分离的标准偏差的时间依赖来追踪涡旋系统的时间开发#sigma＃_＃_＃phi＃的最近涡流。 #sigma＃_＃phi＃的振荡衰减行为在涡旋推广在跳跃围绕各种相对平衡配置后稳定的平衡配置。包括单一和许多有吸引力的钉扎中心，以研究对该平衡过程的循环效果的程度。随机散射的钉扎网站已经使这个振荡的振动性扭曲到了它们在更高施加的田地中更有效地屏蔽的程度。

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