Magnetization Plateau of the $S=\frac{1}{2}$ Distorted Diamond Spin Chain with Ferromagnetic Interaction

Abstract

The magnetization process of the $S=1/2$ distorted diamond spin chain with ferromagnetic interactions is investigated using the numerical diagonalization of finite-size clusters. The level spectroscopy analysis applied for the model with the spin anisotropy indicates that two different magnetization plateau phases appear at 1/3 of the saturation magnetization. The phase diagrams for some typical interaction parameters are presented. In addition the magnetization curves for several typical parameters are obtained.

Proceedings of ICM2024, to be published in Journal of Physics: Conference Series