Electrical control and interaction effects of the RKKY interaction in helical liquids
We study the RKKY interaction mediated by the helical edge states of a quantum spin Hall
insulator in the presence of the Rashba spin-orbital coupling induced by an external electric …
insulator in the presence of the Rashba spin-orbital coupling induced by an external electric …
Natural orbitals renormalization group approach to a spin- impurity interacting with two helical liquids
R Zheng, RQ He, ZY Lu - Physical Review B, 2023 - APS
Using the natural orbitals renormalization group, we studied the problem of a localized spin-
1 2 impurity coupled to two helical liquids via the Kondo interaction in a quantum spin Hall …
1 2 impurity coupled to two helical liquids via the Kondo interaction in a quantum spin Hall …
Two-channel Kondo problem in coupled interacting helical liquids
We study the two-channel Kondo problem in the context of two interacting helical liquids
coupled to a spin-1 2 magnetic impurity. We show that the interactions between the two …
coupled to a spin-1 2 magnetic impurity. We show that the interactions between the two …
Transport via double constrictions in integer and fractional topological insulators
We study transport properties of the helical edge states of two-dimensional integer and
fractional topological insulators via double constrictions. Such constrictions couple the upper …
fractional topological insulators via double constrictions. Such constrictions couple the upper …
Edge physics of the quantum spin hall insulator from a quantum dot excited by optical absorption
The gapless edge modes of the quantum spin Hall insulator form a helical liquid in which the
direction of motion along the edge is determined by the spin orientation of the electrons. In …
direction of motion along the edge is determined by the spin orientation of the electrons. In …