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cond-mat.stat-mech1998★ 10 cited
A gapless charge mode induced by the boundary states in the half-filled Hubbard open-chain
Tetsuo Deguchi, Ruihong Yue, Koichi Kusakabe
We discuss the ground state and some excited states of the half-filled Hubbard model defined on an open chain with L sites, where only one of the boundary sites has a different val…
cond-mat.stat-mech1997
Diagonalization of 2-D inhomogeneous model related to the Hubbard model
Ruihong Yue, Tetsuo Deguchi
We found the eigenvalues of the transfer matrix for the 2-D inhomogeneous statistical model with twisted boundary condition by using the analytic Bethe Ansatz method. In the unifor…