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00925njm 22002777a 4500 dc Álvarez Galindo, Gabriel author Guil Guerrero, Francisco José author 1996-07-12 The representation of the periodic Hubbard model in the Clifford algebra leads to explicit expressions for several families of non-trivial half-filled states in any number of dimensions. A generalization of these expressions explains the structure of the spectrum of the general Hubbard hamiltonian. 0550-3213 10.1016/0550-3213(96)00272-6 https://hdl.handle.net/20.500.14352/59739 http://dx.doi.org/10.1016/0550-3213(96)00272-6 http://www.sciencedirect.com States and energies of the periodic Hubbard model at half filling