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N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates
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| Zeitschriftentitel: | International Journal of Quantum Chemistry |
|---|---|
| Personen und Körperschaften: | , , , , , , , , |
| In: | International Journal of Quantum Chemistry, 108, 2008, 15, S. 3016-3041 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Yamaguchi, K. Yamanaka, S. Isobe, H. Hagihara, M. Yamaki, D. Nishihara, M. Kitagawa, Y. Kawakami, T. Okumura, M. Yamaguchi, K. Yamanaka, S. Isobe, H. Hagihara, M. Yamaki, D. Nishihara, M. Kitagawa, Y. Kawakami, T. Okumura, M. |
|---|---|
| author |
Yamaguchi, K. Yamanaka, S. Isobe, H. Hagihara, M. Yamaki, D. Nishihara, M. Kitagawa, Y. Kawakami, T. Okumura, M. |
| spellingShingle |
Yamaguchi, K. Yamanaka, S. Isobe, H. Hagihara, M. Yamaki, D. Nishihara, M. Kitagawa, Y. Kawakami, T. Okumura, M. International Journal of Quantum Chemistry N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates Physical and Theoretical Chemistry Condensed Matter Physics Atomic and Molecular Physics, and Optics |
| author_sort |
yamaguchi, k. |
| spelling |
Yamaguchi, K. Yamanaka, S. Isobe, H. Hagihara, M. Yamaki, D. Nishihara, M. Kitagawa, Y. Kawakami, T. Okumura, M. 0020-7608 1097-461X Wiley Physical and Theoretical Chemistry Condensed Matter Physics Atomic and Molecular Physics, and Optics http://dx.doi.org/10.1002/qua.21840 <jats:title>Abstract</jats:title><jats:p>A lot of theoretical and experimental results are examined to obtain a unified picture of magnetism and superconductivity in strongly correlated electron systems. First principle computational results reported recently have been used to elucidate electronic structures of strongly correlated electron systems. In this series of articles theoretical efforts for the systems such as transition metal oxides have been extended to search high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductors (HTSC) other than cuprates in relation to possible mechanism(s) of high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductivity. Very recently, Kamihara et al. have found that quaternary oxypictides LaOMPn (M = V, Cr, Mn, Fe, Co, Ni, and Pn = P, As) are a new family of high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductors, exhibiting high‐transition temperature <jats:italic>T</jats:italic><jats:sub>c</jats:sub> = 26 K for the case of M = Fe and Pn = As. Since iron has been believed to be magnetic in many systems, their finding raises extremely interesting question concerning with relationships between magnetism and superconductivity. Moreover, coexistence of antiferromagnetism (AF) and superconductivity (SC) is also discovered in the recently synthesized cuprates with five CuO<jats:sub>2</jats:sub> planes. This may indicate the uniformly mixed phase of AF and SC in cuprates without disorder corresponds to spin glass, instead of other complex phases resulting from random potentials in disordered cuprates. Coexistence of AF and SC phases and multiband effects are also suggested for quaternary oxypictides LaOMPn. Here, comparison between quaternary oxypictides LaOMPn and cuprates is carried out from both theoretical and experimental grounds, leading to an extension of our magnetic (J) model for LaOMPn. Implications of these analyses are discussed in relation to possible candidates of HTSC with multi (N)‐layers consisted of iso‐electronic π‐d, π‐R, and σ‐R systems, for which similar electronic phases are expected from the theoretical grounds. © 2008 Wiley Periodicals, Inc. Int J Quantum Chem, 2008</jats:p> N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates International Journal of Quantum Chemistry |
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| title |
N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_unstemmed |
N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_full |
N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_fullStr |
N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_full_unstemmed |
N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_short |
N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_sort |
n‐bands hubbard models. iv. comparisons of electron‐ or hole‐doped quaternary oxypictides laompn superconductors with cuprates |
| topic |
Physical and Theoretical Chemistry Condensed Matter Physics Atomic and Molecular Physics, and Optics |
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http://dx.doi.org/10.1002/qua.21840 |
| publishDate |
2008 |
| physical |
3016-3041 |
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<jats:title>Abstract</jats:title><jats:p>A lot of theoretical and experimental results are examined to obtain a unified picture of magnetism and superconductivity in strongly correlated electron systems. First principle computational results reported recently have been used to elucidate electronic structures of strongly correlated electron systems. In this series of articles theoretical efforts for the systems such as transition metal oxides have been extended to search high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductors (HTSC) other than cuprates in relation to possible mechanism(s) of high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductivity. Very recently, Kamihara et al. have found that quaternary oxypictides LaOMPn (M = V, Cr, Mn, Fe, Co, Ni, and Pn = P, As) are a new family of high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductors, exhibiting high‐transition temperature <jats:italic>T</jats:italic><jats:sub>c</jats:sub> = 26 K for the case of M = Fe and Pn = As. Since iron has been believed to be magnetic in many systems, their finding raises extremely interesting question concerning with relationships between magnetism and superconductivity. Moreover, coexistence of antiferromagnetism (AF) and superconductivity (SC) is also discovered in the recently synthesized cuprates with five CuO<jats:sub>2</jats:sub> planes. This may indicate the uniformly mixed phase of AF and SC in cuprates without disorder corresponds to spin glass, instead of other complex phases resulting from random potentials in disordered cuprates. Coexistence of AF and SC phases and multiband effects are also suggested for quaternary oxypictides LaOMPn. Here, comparison between quaternary oxypictides LaOMPn and cuprates is carried out from both theoretical and experimental grounds, leading to an extension of our magnetic (J) model for LaOMPn. Implications of these analyses are discussed in relation to possible candidates of HTSC with multi (N)‐layers consisted of iso‐electronic π‐d, π‐R, and σ‐R systems, for which similar electronic phases are expected from the theoretical grounds. © 2008 Wiley Periodicals, Inc. Int J Quantum Chem, 2008</jats:p> |
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| description | <jats:title>Abstract</jats:title><jats:p>A lot of theoretical and experimental results are examined to obtain a unified picture of magnetism and superconductivity in strongly correlated electron systems. First principle computational results reported recently have been used to elucidate electronic structures of strongly correlated electron systems. In this series of articles theoretical efforts for the systems such as transition metal oxides have been extended to search high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductors (HTSC) other than cuprates in relation to possible mechanism(s) of high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductivity. Very recently, Kamihara et al. have found that quaternary oxypictides LaOMPn (M = V, Cr, Mn, Fe, Co, Ni, and Pn = P, As) are a new family of high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductors, exhibiting high‐transition temperature <jats:italic>T</jats:italic><jats:sub>c</jats:sub> = 26 K for the case of M = Fe and Pn = As. Since iron has been believed to be magnetic in many systems, their finding raises extremely interesting question concerning with relationships between magnetism and superconductivity. Moreover, coexistence of antiferromagnetism (AF) and superconductivity (SC) is also discovered in the recently synthesized cuprates with five CuO<jats:sub>2</jats:sub> planes. This may indicate the uniformly mixed phase of AF and SC in cuprates without disorder corresponds to spin glass, instead of other complex phases resulting from random potentials in disordered cuprates. Coexistence of AF and SC phases and multiband effects are also suggested for quaternary oxypictides LaOMPn. Here, comparison between quaternary oxypictides LaOMPn and cuprates is carried out from both theoretical and experimental grounds, leading to an extension of our magnetic (J) model for LaOMPn. Implications of these analyses are discussed in relation to possible candidates of HTSC with multi (N)‐layers consisted of iso‐electronic π‐d, π‐R, and σ‐R systems, for which similar electronic phases are expected from the theoretical grounds. © 2008 Wiley Periodicals, Inc. Int J Quantum Chem, 2008</jats:p> |
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| spelling | Yamaguchi, K. Yamanaka, S. Isobe, H. Hagihara, M. Yamaki, D. Nishihara, M. Kitagawa, Y. Kawakami, T. Okumura, M. 0020-7608 1097-461X Wiley Physical and Theoretical Chemistry Condensed Matter Physics Atomic and Molecular Physics, and Optics http://dx.doi.org/10.1002/qua.21840 <jats:title>Abstract</jats:title><jats:p>A lot of theoretical and experimental results are examined to obtain a unified picture of magnetism and superconductivity in strongly correlated electron systems. First principle computational results reported recently have been used to elucidate electronic structures of strongly correlated electron systems. In this series of articles theoretical efforts for the systems such as transition metal oxides have been extended to search high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductors (HTSC) other than cuprates in relation to possible mechanism(s) of high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductivity. Very recently, Kamihara et al. have found that quaternary oxypictides LaOMPn (M = V, Cr, Mn, Fe, Co, Ni, and Pn = P, As) are a new family of high‐<jats:italic>T</jats:italic><jats:sub>c</jats:sub> superconductors, exhibiting high‐transition temperature <jats:italic>T</jats:italic><jats:sub>c</jats:sub> = 26 K for the case of M = Fe and Pn = As. Since iron has been believed to be magnetic in many systems, their finding raises extremely interesting question concerning with relationships between magnetism and superconductivity. Moreover, coexistence of antiferromagnetism (AF) and superconductivity (SC) is also discovered in the recently synthesized cuprates with five CuO<jats:sub>2</jats:sub> planes. This may indicate the uniformly mixed phase of AF and SC in cuprates without disorder corresponds to spin glass, instead of other complex phases resulting from random potentials in disordered cuprates. Coexistence of AF and SC phases and multiband effects are also suggested for quaternary oxypictides LaOMPn. Here, comparison between quaternary oxypictides LaOMPn and cuprates is carried out from both theoretical and experimental grounds, leading to an extension of our magnetic (J) model for LaOMPn. Implications of these analyses are discussed in relation to possible candidates of HTSC with multi (N)‐layers consisted of iso‐electronic π‐d, π‐R, and σ‐R systems, for which similar electronic phases are expected from the theoretical grounds. © 2008 Wiley Periodicals, Inc. Int J Quantum Chem, 2008</jats:p> N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates International Journal of Quantum Chemistry |
| spellingShingle | Yamaguchi, K., Yamanaka, S., Isobe, H., Hagihara, M., Yamaki, D., Nishihara, M., Kitagawa, Y., Kawakami, T., Okumura, M., International Journal of Quantum Chemistry, N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates, Physical and Theoretical Chemistry, Condensed Matter Physics, Atomic and Molecular Physics, and Optics |
| title | N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_full | N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_fullStr | N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_full_unstemmed | N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_short | N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| title_sort | n‐bands hubbard models. iv. comparisons of electron‐ or hole‐doped quaternary oxypictides laompn superconductors with cuprates |
| title_unstemmed | N‐bands Hubbard models. IV. Comparisons of electron‐ or hole‐doped quaternary oxypictides LaOMPn superconductors with cuprates |
| topic | Physical and Theoretical Chemistry, Condensed Matter Physics, Atomic and Molecular Physics, and Optics |
| url | http://dx.doi.org/10.1002/qua.21840 |