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https://open.uns.ac.rs/handle/123456789/29578
Nаziv: | 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 | Аutоri: | Pantic Milan Kapor Darko Radosevic Slobodan Mali Petar |
Dаtum izdаvаnjа: | 2014 | Čаsоpis: | Solid State Communications | Sažetak: | 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 |
Nаlаzi sе u kоlеkciјаmа: | PMF Publikacije/Publications |
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