Quantum frustration protects the qubit from Ohmic noise and some sub-Ohmic noise but fails against common 1/f noise, causing spontaneous symmetry breaking and decoherence.
In this configuration, each side of the wire acquires an effective pairing amplitude from a different s- wave superconductor with a relative phase of π , see Fig
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Quantum Frustration as a Protection Mechanism in Non-Topological Majorana Qubits
Quantum frustration protects the qubit from Ohmic noise and some sub-Ohmic noise but fails against common 1/f noise, causing spontaneous symmetry breaking and decoherence.