Demonstrating non-Abelian statistics of Majorana fermions using twist defects
@article{Zheng2015DemonstratingNS, title={Demonstrating non-Abelian statistics of Majorana fermions using twist defects}, author={Huaixiu Zheng and Arpit Dua and L. Jiang}, journal={Physical Review B}, year={2015}, volume={92}, pages={245139} }
We study the twist defects in the toric code model introduced by Bombin [Phys. Rev. Lett. 105, 030403 (2010)]. Using a generalized 2D Jordan-Wigner transformation, we show explicitly the twist defects carry unpaired Majorana zero modes. We also draw the same conclusion using two alternative approaches of a perturbation theory and a projective construction. We propose a quantum non-demolition measurement scheme of the parity of Majorana modes. Such a scheme provides an alternative avenue to… CONTINUE READING
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