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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 |
|---|---|---|
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 | ||||||
| タイトル | Nonlinear σ model method for the J1-J2 Heisenberg model : Disordered Ground State with Plaquette Symmetry | |||||
| 言語 | en | |||||
| 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Scheme | WEKO | |||||
| 識別子 | 62 | |||||
| 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 | |||||
