与基底相互作用的类玻色子Ising纳米系统中分子场和磁化强度高斯涨落的空间分布
Spatial distribution of Gaussian fluctuations of the molecular field and magnetization in the pyramid-like Ising nanoscopic system interacting with the substrate
摘要：
我们研究了沉积在铁磁衬底上的铁磁纳米金字塔的伊辛模型的热力学性质。金字塔和基板之间的相互作用的影响计算的平衡约化态（密度）运营商用于描述的热力学性质的纳米系统。在高斯涨落近似下，得到了纳米金字塔中分子场和磁化强度涨落的空间分布。磁力测量的实验结果进行了简要讨论。
英文摘要：
We study thermodynamic properties of an Ising model of a ferromagnetic nanoscopic pyramid deposited onto a ferromagnetic bulk substrate. The influence of the interaction between the pyramid and the substrate is calculated in terms of the equilibrium reduced-state (density) operator used for description of thermodynamic properties of nanoscopic systems. The spatial distribution of the fluctuations of molecular field and magnetization in the nanoscopic pyramid is obtained in the Gaussian fluctuations approximation. Experimental consequences for the magnetic force measurements are briefly discussed.
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