Lifshitz transition in triangular lattice Kondo-Heisenberg model
Zhang Lan1, Zhong Yin1, †, Luo Hong-Gang1, 2
       

The DOS of the conduction electron πc for the KHM versus the Heisenberg interaction JH for NN hole hopping but with NNN electron hopping, where the parameters are t = –1, t1/t = 0.3, nc = 0.9, JK = 2.5. It is shown that the conduction electron DOS is changed after the Lifshitz transition.