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Title: Majorana Superconducting Qubit

Journal Article · · Physical Review Letters
 [1];  [1]
  1. 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:
Northeastern Univ., Boston, MA (United States); Massachusetts Inst. of Technology (MIT), Cambridge, 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:
SC0019275; SC0010526
OSTI ID:
1574812
Alternate ID(s):
OSTI ID: 1488982
Journal Information:
Physical Review Letters, Vol. 121, Issue 26; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 38 works
Citation information provided by
Web of Science

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Fault tolerant architectures for superconducting qubits text January 2009
Electron Teleportation via Majorana Bound States in a Mesoscopic Superconductor text January 2009
Observation of high coherence in Josephson junction qubits measured in a three-dimensional circuit QED architecture text January 2011
State preservation by repetitive error detection in a superconducting quantum circuit text January 2014
Realization of microwave quantum circuits using hybrid superconducting-semiconducting nanowire Josephson elements text January 2015
Basic circuit compilation techniques for an ion-trap quantum machine text January 2016
Demonstration of weight-four parity measurements in the surface code architecture text January 2016
Zero-Energy Modes from Coalescing Andreev States in a Two-Dimensional Semiconductor-Superconductor Hybrid Platform text January 2017
Epitaxy of Advanced Nanowire Quantum Devices text January 2017
Josephson effect in multiterminal topological junctions text January 2017
Scaling of Majorana Zero-Bias Conductance Peaks text January 2017
Quantized Majorana conductance text January 2017
Superconducting Gatemon Qubit based on a Proximitized Two-Dimensional Electron Gas text January 2017
Selective Area Grown Semiconductor-Superconductor Hybrids: A Basis for Topological Networks text January 2018
Field effect enhancement in buffered quantum nanowire networks text January 2018

Cited By (5)

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
Flux-induced Topological Superconductor in Planar Josephson Junction text January 2019