arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2004.03930cond-mat.stat-mech
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各向异性对Blume-Capel三层铁磁体补偿的作用

Role of anisotropy to the compensation in the Blume-Capel trilayered ferrimagnet

Muktish Acharyya

摘要:

采用蒙特卡罗模拟方法研究了具有最近邻层内铁磁和最近邻层间反铁磁相互作用的三层Blume-Capel($S=1$)磁体。根据相对相互作用强度和各向异性的值的临界温度(所有的亚晶格磁化,因此总磁化消失)和补偿温度(其中总磁化消失的非零亚晶格磁化的特殊组合)估计。绘制了不同参数下的临界温度和补偿温度的综合相图。

英文摘要:

The trilayered Blume-Capel ($S=1$) magnet with nearest neighbour intralayer ferromagnetic and nearest neighbour interlayer antiferromagnetic interaction is studied by Monte Carlo simulation. Depending on the relative interaction strength and the value of anisotropy the critical temperature (where all the sublattice magnetisations and consequently the total magnetisation vanishes) and the compensation temperature (where the total magnetisation vanishes for a special combination of nonzero sublattice magnetisations) are estimated. The comprehensive phase diagrams with lines of critical temperatures and compensation temperatures for different parameter values are drawn.

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