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arxiv: 1007.1874 · v1 · pith:MEB2EDXWnew · submitted 2010-07-12 · ❄️ cond-mat.stat-mech · math-ph· math.MP

Phase diagrams of the spin-1/2 Ising-Heisenberg model on a triangle-hexagon lattice

classification ❄️ cond-mat.stat-mech math-phmath.MP
keywords phasediagramsising-heisenberglatticemodelspin-1triangle-hexagonconstituted
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Ground-state and finite-temperature phase diagrams of a geometrically frustrated spin-1/2 Ising-Heisenberg model on a triangle-hexagon lattice are investigated within the generalized star-triangle mapping transformation. It is shown that the ground state is constituted by two different spontaneously long-range ordered phases and one disordered spin-liquid phase.

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