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cond-mat.mes-hall2019
Dynamical signatures of ground-state degeneracy to discriminate against Andreev levels in a Majorana fusion experiment
A. Grabsch, Y. Cheipesh, C. W. J. Beenakker
Detection of the fusion rule of Majorana zero-modes is a near-term milestone on the road to topological quantum computation. An obstacle is that the non-deterministic fusion outcom…
cond-mat.mes-hall2019
Pfaffian formula for fermion parity fluctuations in a superconductor and application to Majorana fusion detection
A. Grabsch, Y. Cheipesh, C. W. J. Beenakker
Kitaev's Pfaffian formula equates the ground-state fermion parity of a closed system to the sign of the Pfaffian of the Hamiltonian in the Majorana basis. Using Klich's theory of f…