Phase diagram of spin- 1 2 quantum Heisenberg <sup>J 1</sup> - <sup>J 2</sup> antiferromagnet on the body-centered-cubic lattice in random phase approximation

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Назив:	Phase diagram of spin- 1 2 quantum Heisenberg <sup>J 1</sup> - <sup>J 2</sup> antiferromagnet on the body-centered-cubic lattice in random phase approximation
Аутори:	Pantic Milan Kapor Darko Radosevic Slobodan Mali Petar
Датум издавања:	2014
Часопис:	Solid State Communications
Сажетак:	Magnetic properties of spin 12J1-J2 Heisenberg antiferromagnet on the body centered cubic lattice are investigated. By using two-time temperature Green's functions, sublattice magnetization and critical temperature depending on the frustration ratio p=J2/J1 are obtained in both stripe and Néel phases. The analysis of ground state sublattice magnetization and phase diagram indicates the critical end point at J2/J1=0.714, in agreement with previous studies. © 2013 Elsevier Ltd.
URI:	https://open.uns.ac.rs/handle/123456789/29578
ISSN:	0038-1098
DOI:	10.1016/j.ssc.2013.12.007
Налази се у колекцијама:	PMF Publikacije/Publications