Critical Behaviour of the One-Dimensional Ferromagnetic t - J Model

• 来源期刊: 中国物理快报（英文版）
• 学科: 物理学
• 年，卷（期）: 2002,（1）
• 页码范围: 108-110
• 页数: 3页
• 分类号: O4
• 语种: 英文

摘要

The one-dimensional super-symmetric ferromagnetic t - J model is studied via the thermal Bethe ansatz. Analytic expressions of the free energy for T → 0 are obtained. A new critical behaviour beyond the universal class of Luttinger liquids is found in this system.