EPJ Web Conf.
Volume 185, 2018Moscow International Symposium on Magnetism (MISM 2017)
|Number of page(s)||5|
|Section||Magnetism and Superconductivity|
|Published online||04 July 2018|
Unconventional phase transitions in strongly anisotropic 2D (pseudo)spin systems
Ural Federal University, Ekaterinburg, 620083, Russia
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Published online: 4 July 2018
We have applied a generalized mean-field approach and quantum Monte-Carlo technique for the model 2D S = 1 (pseudo)spin system to find the ground state phase with its evolution under application of the (pseudo)magnetic field. The comparison of the two methods allows us to clearly demonstrate the role of quantum effects. Special attention is given to the role played by an effective single-ion anisotropy ("on-site correlation").
© The Authors, published by EDP Sciences, 2018
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