Incommensurate Antiferromagnetism Coexisting with Superconductivity in Two-Dimensional d-p Model(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
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Numerical studies of the two-dimensional d-p model using the Gutzwiller ansatz have exhibited the incommensurate antiferromagnetic state coexisting with superconductivity in the under- and lightly doped regions. Our results are based on the variational Monte Carlo method for the three-band Hubbard model with d and p orbitals. We obtained the finite superconducting condensation energy for the coexistent sate at the doping rate x=1/8, 1/12, and 1/16, up to the systems of 256 unit cells with 768 atoms (oxygen and copper atoms). The phase diagram for the hole-doped case is consistent with recent results reported for layered high temperature cuprates.
- 社団法人日本物理学会の論文
- 2009-01-15
著者
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Yamaji Kunihiko
Institute Of Materials Science University Of Tsukuba:electrotechnical Laboratory
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Yanagisawa T
Nanoelectronics Research Institute Aist
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Yanagisawa T
Graduate School Of Science And Technology Niigata University
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MIYAZAKI Mitake
Hakodate National College of Technology
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YANAGISAWA Takashi
Condensed-Matter Physics Group, Nanoelectronics Research Institute, National Institute of Advanced I
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YAMAJI Kunihiko
Condensed-Matter Physics Group, Nanoelectronics Research Institute, National Institute of Advanced I
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Yanagisawa Takashi
Nanoelectronics Research Institute Aist
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Yamaji Kunihiko
Aist Ibaraki
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Yamaji K
Nanoelectronics Research Institute Aist
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Miyazaki M
Faculty Of Science Himeji Institute Of Technology
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Yanagisawa Takashi
Condensed-matter Physics Group Nanoelectronics Research Institute National Institute Of Advanced Ind
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