On the singlet ground state of the Hubba
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Takashi Yanagisawa
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Article
📅
1994
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Elsevier Science
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English
⚖ 135 KB
We present some discussions on the ground state of the Hubbard model on the bipartite lattice with finite Coulomb interaction. Our theory is based on a graphical method. First we apply it to the ld Hubbard model and secondly we discuss the 2d Hubbard model.