Ordered states in the Kitaev-Heisenberg model: From 1D chains to 2D honeycomb

Abstract We study the ground state of the 1D Kitaev-Heisenberg (KH) model using the density-matrix renormalization group and Lanczos exact diagonalization methods. We obtain a rich ground-state phase diagram as a function of the ratio between Heisenberg (J = cosϕ) and Kitaev (K = sinϕ) interactions....

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Autores principales: Cliò Efthimia Agrapidis, Jeroen van den Brink, Satoshi Nishimoto
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/4bd27e04ee6148e99dddc79b6e43aafd
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