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- W2073162504 abstract "In this work, we study superconductivity in the strong coupling limit of the two-dimensional Hubbard model using a generalization of the Hubbard-I approximation. The results are compared with those obtained by Beenen and Edwards with the two-pole method of Roth, revealing a qualitative agreement between the two approaches. The effect of the hopping parameter t' between next-nearest neighbour sites on the critical temperature is considered. It is shown that the present approach reproduces the relation between t' and the maximum Tc in high temperature superconductors reported by Pavarini et al (2001 Phys. Rev. Lett. 87 047003)." @default.
- W2073162504 created "2016-06-24" @default.
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- W2073162504 date "2011-10-01" @default.
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- W2073162504 title "Superconductivity from strong repulsive interactions in the two-dimensional Hubbard model" @default.
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- W2073162504 doi "https://doi.org/10.1088/0031-8949/84/04/045706" @default.
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