1. Luttinger theorem and non-linear response of many electron systems, Y. L. Liu, Phys. Rev. B 72, 155104 (2005).
2. Universal power-law behavior of local electron correlation functions in the Falicov-Kimball lattice model, Y. L. Liu, Phys. Rev. B 72, 045123 (2005).
3. Running coupling constant and possible bound state in a Luttinger liquid, Y. L. Liu, Phys. Rev. B 70, 195111 (2004).
4. Influence of backward scattering on correlation exponents in one-dimensional system, Y. L. Liu, Phys. Rev. B 62, 1212 (2000).
5.Low-Temperature Behavior of a Magnetic Impurity in Heisenberg Chain, Y. L. Liu, Phys. Rev. Lett. 79, 293 (1997).