Monte Carlo and spin dynamics study of the anisotropic Heisenberg model in two dimensions

1997 ◽  
Vol 81 (8) ◽  
pp. 5746-5748 ◽  
Author(s):  
B. V. Costa ◽  
J. E. R. Costa ◽  
D. P. Landau
2021 ◽  
Vol 11 (4) ◽  
Author(s):  
Paul Niklas Jepsen ◽  
Wen Wei Ho ◽  
Jesse Amato-Grill ◽  
Ivana Dimitrova ◽  
Eugene Demler ◽  
...  

2009 ◽  
Vol 23 (02) ◽  
pp. 251-264
Author(s):  
EUGEN BÎRSAN ◽  
OLIVIAN NIGA

In this paper, we investigate the magnetic properties of double-layer thin film using Monte Carlo technique, in anisotropic Heisenberg model. The magnetization, out-of-plane and in-plane magnetic susceptibilities, and also the specific heat behaviors according to temperature are investigated in order to find out the contingent magnetic ordering phases and the critical temperatures values, for two easy-axis anisotropy parameters settings. We also calculate the relative variation rate of the critical temperature along with the easy-plane anisotropy interaction parameter distribution, and we comparatively appraise the numerical obtained results, in order to get quantitative response on the physical model parameters changes. Finally, we present a finite size effect study on magnetic susceptibility, respecting the two settings physical parameters we assumed in the paper.


2018 ◽  
Vol 185 ◽  
pp. 01009
Author(s):  
Dmitry E. Romanovskii ◽  
Vladimir V. Prudnikov ◽  
Pavel V. Prudnikov ◽  
Marina V. Mamonova

A Monte Carlo simulation of magnetic properties for structures Fe/Cr/Fe and Co/Cu/Co, constructed from two ferromagnetic films divided by nonmagnetic film are carried out. The calculation of the magnetoresistance is carried out in case of CPP and CIP geometry for different thicknesses of the ferromagnetic films with the use of the anisotropic Heisenberg model for determination of magnetic properties. It was shown, that the obtained temperature dependence for the magnetoresistance agrees very well with experimental results.


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