Algebraic solution of the Hubbard model on the infinite interval
作者： Frank Göhmann , Shuichi Murakami
DOI: 10.1016/S0550-3213(97)00793-1
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摘要: Abstract We develop the quantum inverse scattering method for one-dimensional Hubbard model on infinite line at zero density. This enables us to diagonalize Hamiltonian algebraically. The eigenstates can be classified as states of particles, bound pairs particles and pairs. obtain corresponding creation annihilation operators calculate S -matrix. is invariant under Yangian group Y(su(2)). show that n -particle transform like -fold tensor products fundamental representations Y(su(2) ) are singlet.
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