Critical Behaviour of the One-Dimensional Ferromagnetic t-J Model
YANG Fu1, WANG Yu-Peng2
1Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Beijing 100080
2Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080
Critical Behaviour of the One-Dimensional Ferromagnetic t-J Model
YANG Fu1;WANG Yu-Peng2
1Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Beijing 100080
2Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080
Abstract： 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.
YANG Fu;WANG Yu-Peng. Critical Behaviour of the One-Dimensional Ferromagnetic t-J Model
[J]. 中国物理快报, 2002, 19(1): 108-110.
YANG Fu, WANG Yu-Peng. Critical Behaviour of the One-Dimensional Ferromagnetic t-J Model
. Chin. Phys. Lett., 2002, 19(1): 108-110.
2002, Vol. 19 
