Aharonov-Bohm Interferometer in a T-Shaped Quantum Dot Embedded in Majorana Bound States *

Fu-Bin Yang

Fig. 1 (Color online) Schematic setup of the Aharonov-Bohm (AB) interferometerdiscussed in the paper. A T-shaped quantum dot (QD) is coupled to two ends of a 1D toplogicalsuperconductor nanowire (TSNW) to form an AB ring by the coupling strength $\lambda_{1(2)}$. $\Phi$is the phase resulting from the magnetic flux threading around the AB ring. tdescribes the coupling between QD$_1$ and the central QD, which is connected with theferromagnetic (FM) leads through the tunnel matrix elements $V_{\alpha \sigma}(\alpha=L,R)$.