Comment on the paper 'Thermodynamics of two-dimensional magneto nanoparticles' by P. Vargas, D. Altbir, M. Knobel and D. Laroze
arXiv:cond-mat/0304156
Abstract
It is shown that there is no bi-stability in the system of two-dimensional nanoparticles considered by P. Vargas et al.
3 pages, 2 figures