Critical behaviour of coupled organic ferromagnet chains

• 来源期刊: 中国物理（英文版）
• 关键词: interchain coupling organic ferromagnets dimerization
• 年，卷（期）: 2005,（4）
• 页码范围: 821-825
• 页数: 5页
• 语种: 英文

摘要

The interchain coupling in a model, which is most relevant to organic ferromagnets, is studied by a kind of mean field theory. A full phase diagram is given for this model. It is shown that the interchain coupling dramatically affects the ferromagnetic order in the ground state. When the interchain coupling reaches a critical value, the high-spin ground state disappears and the system may transit from ferromagnetic phase into Kondo-singlet phase.