Institute for Physical Science and Technology and Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
Phys Rev Lett. 2010 Jun 25;104(25):256404. doi: 10.1103/PhysRevLett.104.256404.
It is shown that columnar fluctuations, in conjunction with weak quenched disorder, lead to a T{3/2} temperature dependence of the electrical resistivity. This is proposed as an explanation of the observed non-Fermi-liquid behavior in the helimagnet MnSi, with one possible realization of the columnar fluctuations provided by Skyrmion lines that have independently been proposed to be present in this material.
研究表明，柱状涨落与弱淬火无序相结合，导致电导率呈现出 T{3/2}温度依赖性。这被提出作为对在螺旋磁体 MnSi 中观察到的非费米液体行为的解释，柱状涨落的一种可能实现方式是由斯格明子线提供的，这些斯格明子线已经被独立提出存在于这种材料中。
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