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Effect of Antiferromagnetic Planes on the Superconducting Properties of Multilayered High-TcCuprates

M. Mori, S. Maekawa
2005 Physical Review Letters  

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2005 accepted arXiv:cond-mat/0408595v2 fatcat:dekwwbgp7rcfjpqi55zqu45tny

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2004 pre-print
arXiv:cond-mat/0408595v1 fatcat:fpgsutuo4bbubn5plxarmn2ghu
We propose a mechanism for high critical temperature (T_c) in the coexistent phase of superconducting- (SC) and antiferromagnetic (AF) CuO_2 planes in multilayered cuprates. The Josephson coupling between the SC planes separated by an AF insulator (Mott insulator) is calculated perturbatively up to the fourth order in terms of the hopping integral between adjacent CuO_2 planes. It is shown that the AF exchange splitting in the AF plane suppresses the so-called pi-Josephson coupling, and the
more » ... -ranged 0-Josephson coupling leads to coexistence with a rather high value of T_c.
doi:10.1103/physrevlett.94.137003 pmid:15904020 fatcat:l6jxwxo6a5gulfehnfrainiche
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M. Mori, S. Maekawa. "Effect of Antiferromagnetic Planes on the Superconducting Properties of Multilayered High-TcCuprates." Physical Review Letters 94.13 (2005)