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cond-mat.str-el1999
Comparison of the and operator approximations for the two-dimensional t-J model
Youngho Park
We compare the spectra of the new operator of the SO(5) theory and the conventional operator for the two-dimensional t-J model. We also calculate the weight transferred to…
cond-mat.str-el1999
Charge and spin dynamics of the Hubbard chains
Youngho Park, Shoudan Liang
We calculate the local correlation functions of charge and spin for the one-chain and two-chain Hubbard model using the density matrix renormalization group method and the recursio…