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Majorana Superconducting Qubit

Journal Article · · Physical Review Letters
 [1];  [2]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Physics; Northeastern University
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Physics
In this paper, we propose a platform for universal quantum computation that uses conventional $$s$$-wave superconducting leads to address a topological qubit stored in spatially separated Majorana bound states in a multiterminal topological superconductor island. Both the manipulation and readout of this “Majorana superconducting qubit” are realized by tunnel couplings between Majorana bound states and the superconducting leads. The ability of turning on and off tunnel couplings on demand by local gates enables individual qubit addressability while avoiding cross-talk errors. By combining the scalability of superconducting qubit and the robustness of topological qubits, the Majorana superconducting qubit may provide a promising and realistic route towards quantum computation.
Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Northeastern Univ., Boston, MA (United States); Quantum Information Science (QIS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Grant/Contract Number:
SC0010526; SC0019275
OSTI ID:
1574812
Alternate ID(s):
OSTI ID: 1488982
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 26 Vol. 121; ISSN 0031-9007; ISSN PRLTAO
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (6)

Building Blocks for Quantum Network Based on Group‐IV Split‐Vacancy Centers in Diamond journal October 2019
Odd-frequency superconducting pairing in Kitaev-based junctions journal September 2019
Flux-induced topological superconductor in planar Josephson junction journal December 2019
Measurement-only quantum computation with Floquet Majorana corner modes journal February 2020
Supercurrent Detection of Topologically Trivial Zero-Energy States in Nanowire Junctions journal September 2019
Flux-induced Topological Superconductor in Planar Josephson Junction text January 2019

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