Exact solution of Heisenberg-liquid models with long-range coupling
文献类型：期刊论文
| 作者 | Wang, YP ; Schlottmann, P |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2001 |
| 卷号 | 63期号:13 |
| 关键词 | ASYMPTOTIC BETHE-ANSATZ MANY-BODY PROBLEM ONE-DIMENSION INTEGRABLE SYSTEMS ARBITRARY SPINS GROUND-STATE CHAIN EXCHANGE THERMODYNAMICS GAS |
| ISSN号 | 0163-1829 |
| 通讯作者 | Wang, YP: Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China. |
| 中文摘要 | Recent experiments have shown that some colossal magnetoresistance (CMR) materials exhibit a percolation transition. The conductivity exponent varies substantially with or without an external magnetic field. This finding prompted us to carry out theoretical studies of percolation transition in CMR systems. We find that the percolation transition coincides with the magnetic transition, and therefore the magnetic field has a large effect on the percolation transition. Using a real-space-renormalization method and numerical calculations for two-dimensional (2D) and three-dimensional (3D) models, we obtain the conductivity exponent t to be 5.3 (3D) and 3.3 (2D) without a magnetic field, and 1.7 (3D) and 1.4 (2D) with a magnetic field. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/37676]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Wang, YP,Schlottmann, P. Exact solution of Heisenberg-liquid models with long-range coupling[J]. PHYSICAL REVIEW B,2001,63(13). |
| APA | Wang, YP,&Schlottmann, P.(2001).Exact solution of Heisenberg-liquid models with long-range coupling.PHYSICAL REVIEW B,63(13). |
| MLA | Wang, YP,et al."Exact solution of Heisenberg-liquid models with long-range coupling".PHYSICAL REVIEW B 63.13(2001). |
入库方式： OAI收割
来源：物理研究所
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