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Phase Diagram and Quantum Order by Disorder in the Kitaev - Honeycomb Magnet
Ioannis Rousochatzakis, Johannes Reuther, Ronny Thomale +2
We show that the topological Kitaev spin liquid on the honeycomb lattice is extremely fragile against the second-neighbor Kitaev coupling , which has recently been shown to be…
Quantum disordered insulating phase in the frustrated cubic-lattice Hubbard model
Manuel Laubach, Darshan G. Joshi, Johannes Reuther +3
In the quest for quantum spin liquids in three spatial dimensions (3D), we study the half-filled Hubbard model on the simple cubic lattice with hopping processes up to third neighb…
Paramagnetism in the kagome compounds (Zn,Mg,Cd)Cu(OH)Cl
Yasir Iqbal, Harald O. Jeschke, Johannes Reuther +4
Frustrated magnetism on the kagome lattice has been a fertile ground for rich and fascinating physics, ranging from experimental evidence of a spin liquid to theoretical prediction…