Tricritical behavior of the spin-3/2 anisotropic Heisenberg model with Dzyaloshinskii–Moriya interaction

Joeliton B. Silva and Douglas F. de Albuquerque

Physica A: Statistical Mechanics and its Applications, 2022, vol. 585, issue C

Abstract: The spin-3/2 anisotropic Heisenberg model with Dzyaloshinskii–Moriya interaction is studied by using the framework of the two-spin cluster approximation. The formalism is developed for lattices with general coordination number. However, we address our attention to the simple cubic lattice (q=6). The phase diagram of the system reveals the presence of tricritical points and the first and second-order phase transitions are obtained. The critical behavior is discussed and compared with the spin-1/2 and spin-1 Heisenberg systems.

Keywords: Heisenberg model; Dzyaloshinskii–Moriya interaction; Tricritical point (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:585:y:2022:i:c:s0378437121006579

DOI: 10.1016/j.physa.2021.126384

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