Phase diagram of the antiferromagnetic Heisenberg model on a bcc lattice with competing first and second neighbor interactions

A.K. Murtazaev, D.R. Kurbanova and M.K. Ramazanov

Physica A: Statistical Mechanics and its Applications, 2020, vol. 545, issue C

Abstract: The Monte Carlo replica algorithm was used to study the phase transitions and critical phenomena of the three-dimensional antiferromagnetic Heisenberg model on a body-centered cubic lattice with first J1 and second J2 neighbor interactions. A phase diagram for the dependence of the critical temperature (TN) on the ratio of the second neighbor interaction r=J2∕J1 was constructed. The (2/3 Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:545:y:2020:i:c:s0378437119319776

DOI: 10.1016/j.physa.2019.123548

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