Effect of the Canting of Local Anisotropy Axes on Ground-State Properties of a Ferrimagnetic Chain with Regularly Alternating Ising and Heisenberg Spins

TL;DR

This paper investigates how the canting of local anisotropy axes influences the ground-state phase diagram and magnetization in a ferrimagnetic chain with alternating Ising and Heisenberg spins, considering arbitrary magnetic field orientations.

Contribution

It provides an exact analysis of the impact of anisotropy axis canting on magnetic properties in a mixed-spin chain, highlighting the dependence on field orientation and canting angles.

Findings

Magnetization contributions depend on magnetic field orientation.

Ground-state phase diagram is affected by anisotropy axis canting.

Exact solutions reveal the role of local anisotropy in magnetic behavior.

Abstract

The effect of the canting of local anisotropy axes on the ground-state phase diagram and magnetization of a ferrimagnetic chain with regularly alternating Ising and Heisenberg spins is exactly examined in an arbitrarily oriented magnetic field. It is shown that individual contributions of Ising and Heisenberg spins to the total magnetization basically depend on the spatial orientation of the magnetic field and the canting angle between two different local anisotropy axes of the Ising spins.