Zhong, Yin; Liu, Ke; Wang, Yu-Feng; Wang, Yong-Qiang; … - In: The European Physical Journal B - Condensed Matter and … 86 (2013) 5, pp. 1-8
The unique linear density of state around the Dirac points for the honeycomb lattice brings much novel features in strongly correlated models. Here we study the ground-state phase diagram of the Kondo lattice model on the honeycomb lattice at half-filling by using an extended mean-field theory....