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Timescales in the thermal dynamics of magnetic dipolar clusters

机译:磁性偶极簇的热动力学中的时间尺度

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The collective behavior of thermally active structures offers clues on the emergent degrees of freedom and the physical mechanisms that determine the low-energy state of a variety of systems. Here, the thermally active dynamics of magnetic dipoles at square plaquettes is modeled in terms of Brownian oscillators in contact with a heat bath. Solution of the Langevin equation for a set of interacting x-y dipoles allows the identification of the timescales and correlation length that reveal how interactions, temperature, damping, and inertia may determine the frequency modes of edge and bulk magnetic mesospins in artificial dipolar systems.
机译:热活性结构的集体行为提供了基于紧急自由度的线索和确定各种系统的低能量状态的物理机制。这里,方形斑块的磁偶极子的热敏动力学在与热浴中接触的布朗振荡器方面进行了建模。 Langevin等式的一组相互作用X-Y偶联的解决方案允许识别时间尺度和相关长度,揭示相互作用,温度,阻尼和惯性的校正可以确定人造双极系统中边缘和散装磁性Mesospins的频率模式。

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