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Nonlinear σ model method for the J1-J2 Heisenberg model : Disordered Ground State with Plaquette Symmetry
http://hdl.handle.net/10191/1149
http://hdl.handle.net/10191/11499d291e14-5a5a-48e8-8d32-6aea56f72935
名前 / ファイル | ライセンス | アクション |
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19_0005.pdf (136.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-04-23 | |||||
タイトル | ||||||
タイトル | Nonlinear σ model method for the J1-J2 Heisenberg model : Disordered Ground State with Plaquette Symmetry | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Nonlinear σ model method for the J1-J2 Heisenberg model : Disordered Ground State with Plaquette Symmetry | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Takano, Ken-Ichi
× Takano, Ken-Ichi× Kito, Yoshiya× Ono, Yoshiaki× Sano, Kazuhiro |
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著者別名 | ||||||
識別子 | 62 | |||||
識別子Scheme | WEKO | |||||
姓名 | 大野, 義章 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A novel nonlinear a model method is proposed for the two-dimensional J1-J2 model, which is extended to include plaquette-type distortion. The nonlinear σ model is properly derived without spoiling the original spin degrees of freedom. A disordered phase is found to continue, without quantum phase transitions, from a frustrated uniform regime to an un frustrated distorted regime. By the continuity and Oshikawa's commensurability condition, the disordered ground states for the uniform J1-J2 model are plaquette states with four-fold degeneracy. | |||||
書誌情報 |
Physical Review Letters en : Physical Review Letters 巻 91, 号 19, p. 197202-1-197202-4, 発行日 2003-11 |
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出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00319007 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773679 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevLett.91.197202 | |||||
権利 | ||||||
権利情報 | The American Physical Society | |||||
著者版フラグ | ||||||
値 | author |