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Journal Article

Entangled Spin-Orbital Phases in the d9 Model


Oleś,  A. M.
Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society;

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Brzezicki, W., & Oleś, A. M. (2012). Entangled Spin-Orbital Phases in the d9 Model. Acta Physica Polonica A, 121(5-6), 1045-1047.

Cite as: https://hdl.handle.net/21.11116/0000-000E-C29E-5
We investigate the phase diagrams of the spin-orbital d(9) Kugel-Khomskii model for a bilayer and a monolayer square lattice using the Bethe-Peierls-Weiss method. For a bilayer we obtain valence bond phases with interlayer singlets, with alternating planar singlets, and two entangled spin-orbital phases, in addition to the antiferromagnetic and ferromagnetic order. Possibility of such entangled phases in a monolayer is under investigation at present.