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pro vyhledávání: '"Ahrens, Marc Andre"'
We construct exact non-trivial ground states of spin-2 quantum antiferromagnets on the hexagonal lattice. Using the optimum ground state approach we determine the ground state in different subspaces of a general spin-2 Hamiltonian consistent with som
Externí odkaz:
http://arxiv.org/abs/cond-mat/0504023