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http://repositorio.ufla.br/jspui/handle/1/45516| Title: | Kinetically-driven frustration in hybrid spin ladders |
| Keywords: | Spin models Ferromagnetic coupling Quantum physics |
| Issue Date: | Jul-2014 |
| Publisher: | University of Warsaw (UW), Interdisciplinary Center for Mathematical and Computational Modeling (ICM) |
| Citation: | CARVALHO, R. C. P. et al. Kinetically-driven frustration in hybrid spin ladders. Acta Physica Polonica A, [S.l.], v. 126, n. 1, p. 12-13, July 2014. DOI: 10.12693/APhysPolA.126.12. Proceedings of the 15th Czech and Slovak Conference on Magnetism, Košice, Slovakia, 2013. |
| Abstract: | We introduce a spin ladder model incorporating localized and delocalized spins, which is exactly solvable using the decoration-iteration and transfer-matrix techniques. Quantum correlations between delocalized spins induce an antiferromagnetic coupling between the spin chains that competes with a direct ferromagnetic exchange coupling. A resulting kinetically-driven frustration is predominant in the regime of low temperatures and large hopping amplitudes. We provide the full ground-state phase diagram, as well as the frustration diagram on distinct coupling regimes. |
| URI: | http://przyrbwn.icm.edu.pl/APP/ABSTR/126/a126-1-2.html http://repositorio.ufla.br/jspui/handle/1/45516 |
| Appears in Collections: | DFI - Artigos publicados em periódicos |
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