Slow Relaxation Process in Ising like Heisenberg Kagome Antiferromagnets due to Macroscopic Degeneracy in the Ordered State

TL;DR

This paper investigates the slow relaxation phenomena in Ising-like Heisenberg kagome antiferromagnets, attributing it to macroscopic degeneracy and the dynamics of weathervane loops, providing insights into experimental observations.

Contribution

It introduces the concept of weathervane loops to characterize degenerate states and explains the microscopic mechanism behind slow relaxation in these systems.

Findings

Identification of weathervane loops as key to understanding degeneracy

Proposed microscopic mechanism for slow relaxation

Potential explanation for experimental slow relaxation observations

Abstract

We study relaxation phenomena in the ferromagnetically ordered state of the Ising-like Heisenberg kagome antiferromagnets. We introduce the "weathervane loop" in order to characterize macroscopic degenerate ordered states and study the microscopic mechanism of the slow relaxation from a view point of the dynamics of the weathervane loop configuration. This mechanism may give a possible origin of the slow relaxation reported in recent experiments.