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Condensed Matter > Mesoscale and Nanoscale Physics

Title: Braiding of Majorana bound states in a driven-dissipative Majorana box setup

Abstract: We investigate a system of Majorana box qubits, where each of the Coulomb blockaded boxes is driven by an applied AC voltage and is embedded in a dissipative environment. The AC voltage is applied between a pair of quantum dots, each of which is coupled by tunneling to a Majorana box qubit. Moreover, the dissipation is created by the coupling to an electromagnetic environment. Recent work has shown that in this case the Majorana bound states which form the computational basis can emerge as dark states, which are stabilized by the dissipation. In our work, we show that the same platform can be used to enable topological braiding of these dissipative Majorana bound states. We show that coupling three such Majorana boxes allows a braiding transformation by changing the tunnel amplitudes adiabatically in time.
Comments: 16 pages, 4 figures
Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:2404.04147 [cond-mat.mes-hall]
  (or arXiv:2404.04147v1 [cond-mat.mes-hall] for this version)

Submission history

From: Thomas Schmidt [view email]
[v1] Fri, 5 Apr 2024 14:50:11 GMT (1391kb,D)

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