hubbard model in square lattices: a mean … · hubbard model in square lattices: a mean-field...

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HUBBARD MODEL IN SQUARE LATTICES: A MEAN-FIELD HARTREE-FOCK APPROACH a thesis submitted to the department of physics and the institute of engineering and science of bilkent university in partial fulfillment of the requirements for the degree of master of science By MuhammedY¨ona¸ c May, 2005

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