We investigate interplay of topological and Kondo effects in a one-dimensional Kondo-Heisenberg model with nontrivial conduction band using the density matrix renormalization group method.By analyzing the density prof...We investigate interplay of topological and Kondo effects in a one-dimensional Kondo-Heisenberg model with nontrivial conduction band using the density matrix renormalization group method.By analyzing the density profile,the local hybridization,and the spin/charge gap,we find that the Kondo effect can be destructed at edges of the chain by the topological end state below a finite critical Kondo coupling J_(K)^(C).We construct a phase diagram characterizing the transition of the end states.展开更多
基金supported by the National Natural Science Foundation of China (Grant Nos. 12174429 and 11974397)the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB33010100)。
文摘We investigate interplay of topological and Kondo effects in a one-dimensional Kondo-Heisenberg model with nontrivial conduction band using the density matrix renormalization group method.By analyzing the density profile,the local hybridization,and the spin/charge gap,we find that the Kondo effect can be destructed at edges of the chain by the topological end state below a finite critical Kondo coupling J_(K)^(C).We construct a phase diagram characterizing the transition of the end states.