English

Braiding Induced by Finite-Size Effect in One-Dimensional Topological Superconductors

Mesoscale and Nanoscale Physics 2025-07-08 v1 Superconductivity

Abstract

We investigate the transport properties of Majorana zero mode (MZM) and Majorana Kramers pair (MKP) in one-dimensional topological superconductors, respectively. An effective model is established for braiding of MZMs and MKPs. We employ the dx2y2d_{x^{2}-y^{2}}-wave topological superconductors to embody the effective model for braiding of MKPs by utilizing finite-size effects and locally tunable coupling parameters. We show how to construct the state initialization and readout via gate control. We also use this method for braiding MZMs in s-wave topological superconductors. Our proposal presents a promising avenue for experimentally verifying the non-Abelian statistical properties of MZMs and MKPs, with implications for topological quantum computing.

Keywords

Cite

@article{arxiv.2407.17988,
  title  = {Braiding Induced by Finite-Size Effect in One-Dimensional Topological Superconductors},
  author = {Hongfa Pan and Zhengtian Li and Jinxiong Jia and Zhenhua Qiao},
  journal= {arXiv preprint arXiv:2407.17988},
  year   = {2025}
}