Low-Temperature Magnetization Dynamics of Magnetic Molecular Solids in a Swept Field
Statistical Mechanics
2015-10-14 v2
Abstract
The swept-field experiments on magnetic molecular solids such as \Fe8 are studied using Monte Carlo simulations. A kinetic equation is developed to understand the phenomenon. It is found that the simulations provide a quantitatively accurate account of the experiments. The kinetic equation provides a similarly accurate account except at very low sweep velocities, where it fails modestly. This failure is due to the neglect of short-range correlations between the dipolar magnetic fields seen by the molecular spins. Both the simulations and the kinetic equation provide a good understanding of the distribution of these dipolar fields.
Keywords
Cite
@article{arxiv.1212.5292,
title = {Low-Temperature Magnetization Dynamics of Magnetic Molecular Solids in a Swept Field},
author = {Erik Lenferink and Avinash Vijayaraghavan and Anupam Garg},
journal= {arXiv preprint arXiv:1212.5292},
year = {2015}
}