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|Title:||Encrypting Majorana fermion qubits as bound states in the continuum|
|Author:||Guessi, L. H.|
Dessotti, F. A.
Ricco, L. S.
Pereira, G. M.
Souza, M. de
Seridonio, A. C.
|Abstract:||We theoretically investigate a topological Kitaev chain connected to a double quantum-dot (QD) setup hybridized with metallic leads. In this system we observe the emergence of two striking phenomena: (i) a decrypted Majorana fermion (MF) qubit recorded over a single QD, which is detectable by means of conductance measurements due to the asymmetrical MF-qubit leaked state into the QDs; (ii) an encrypted qubit recorded in both QDs when the leakage is symmetrical. In such a regime, we have a cryptographylike manifestation, since the MF qubit becomes bound states in the continuum, which is not detectable in conductance experiments.|
|Subject:||Supercondutores - Materiais|
Superconductors - Materials
|Editor:||American Physical Society|
|Appears in Collections:||IFGW - Artigos e Outros Documentos|
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