Reading the quantum state change of Majorana braiding

Braiding Majorana zero modes is an important approach to understand the physics of the non-Abelian statistics. To experimentally achieve this approach, accurately reading the change of the quantum state through the braiding process is an essential step. In this talk, we propose an experimental protocol to read the braiding change of the Majorana zero modes. The scheme includes four spatially-separated Majorana zero modes on top of a Coulomb blockaded topological superconductor. The reading of the braiding change is implemented by measuring the tunnel conductance in the strong Coulomb blockade regime for two overlapped Majorana zero modes.