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http://hdl.handle.net/1843/54905| Type: | Artigo de Periódico |
| Title: | SU(N) Schwinger bosons and nematic phases in the bilinear–biquadratic S=1 triangular lattice antiferromagnet with third-nearest neighbor interactions |
| Authors: | Antônio Sérgio Teixeira Pires |
| Abstract: | I present in details the SU(N) Schwinger boson formalism, also known as flavor wave theory, that has been used several times in the literature. I use the method to study the ferroquadrupolar phase of a quantum biquadratic Heisenberg model with spin S=1 on the triangular lattice with third-nearest-neighbor interactions. Results for the phase diagram at zero temperature and the static and dynamical quadrupolar structure factors are presented. In principle, the results could be applied to NiGa2S4. |
| Subject: | Antiferromagnetismo Transições de fases |
| language: | eng |
| metadata.dc.publisher.country: | Brasil |
| Publisher: | Universidade Federal de Minas Gerais |
| Publisher Initials: | UFMG |
| metadata.dc.publisher.department: | ICX - DEPARTAMENTO DE FÍSICA |
| Rights: | Acesso Restrito |
| metadata.dc.identifier.doi: | https://doi.org/10.1016/j.jmmm.2016.07.025 |
| URI: | http://hdl.handle.net/1843/54905 |
| Issue Date: | 2017 |
| metadata.dc.url.externa: | https://www.sciencedirect.com/science/article/pii/S0304885316314305 |
| metadata.dc.relation.ispartof: | Journal of Magnetism and Magnetic Materials |
| Appears in Collections: | Artigo de Periódico |
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