Spin-Charge Separation in the $t-J$ Model: Magnetic and Transport Anomalies

Z. Y. Weng, D. N. Sheng, C. S. Ting

A real spin-charge separation scheme is found based on a saddle-point state of the $t-J$ model. In the one-dimensional (1D) case, such a saddle-point reproduces the correct asympto…