Encrypting Majorana Fermions-qubits as Bound States in the Continuum
Phys. Rev. B 96, 041114 (2017) 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...
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18-07-2017
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| Abstract | Phys. Rev. B 96, 041114 (2017) 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. |
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| AbstractList | Phys. Rev. B 96, 041114 (2017) 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. |
| Author | Seridonio, A. C Guessi, L. H Marques, Y Menegasso, P de Souza, M Dessotti, F. A Ricco, L. S Pereira, G. M |
| Author_xml | – sequence: 1 givenname: L. H surname: Guessi fullname: Guessi, L. H – sequence: 2 givenname: F. A surname: Dessotti fullname: Dessotti, F. A – sequence: 3 givenname: Y surname: Marques fullname: Marques, Y – sequence: 4 givenname: L. S surname: Ricco fullname: Ricco, L. S – sequence: 5 givenname: G. M surname: Pereira fullname: Pereira, G. M – sequence: 6 givenname: P surname: Menegasso fullname: Menegasso, P – sequence: 7 givenname: M surname: de Souza fullname: de Souza, M – sequence: 8 givenname: A. C surname: Seridonio fullname: Seridonio, A. C |
| BackLink | https://doi.org/10.48550/arXiv.1703.10226$$DView paper in arXiv https://doi.org/10.1103/PhysRevB.96.041114$$DView published paper (Access to full text may be restricted) |
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| Snippet | Phys. Rev. B 96, 041114 (2017) We theoretically investigate a topological Kitaev chain connected to a double
quantum-dot (QD) setup hybridized with metallic... |
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| Title | Encrypting Majorana Fermions-qubits as Bound States in the Continuum |
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