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By A. Avella A, F. Mancini A, M. M. Sánchez A, R. Sridhar B and Prof Ferdinando Mancini


We propose a theoretical framework to describe the ladder systems. The N-chain Hubbard model has been studied within the Composite Operator Method. In this scheme of calculations the single-particle Green’s function for any number of coupled chains is obtained by solving self-consistently a system of integral equations

Year: 2010
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