Even-parity quasiparticle leakage after a chemical potential ramp grows linearly with tetron length at zero temperature, while odd-parity leakage stays constant.
Consider a single Kitaev chain in the topological regime described by the Hamiltonian ˆHKC
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Leakage at zero temperature from changes in chemical potential in Majorana qubits
Even-parity quasiparticle leakage after a chemical potential ramp grows linearly with tetron length at zero temperature, while odd-parity leakage stays constant.