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most citedConstraints on the high-density nuclear equation of state from the phenomenology of compact stars and heavy-ion collisions

400 citations

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cond-mat.str-el2008★ 12 cited

Antiferromagnetic ordering of energy levels for spin ladder with four-spin cyclic exchange: Generalization of the Lieb-Mattis theorem

Tigran Hakobyan

The Lieb-Mattis theorem is generalized to an antiferromagnetic spin-ladder model with four-spin cyclic exchange interaction. We prove that for J>2K, the antiferromagnetic ordering…

cond-mat.str-el2007★ 8 cited

Energy-level ordering and ground-state quantum numbers for frustrated two-leg spin-1/2 ladder model

Tigran Hakobyan

The Lieb-Mattis theorem about antiferromagnetic ordering of energy levels on bipartite lattices is generalized to finite-size two-leg spin-1/2 ladder model frustrated by diagonal i…