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Driven Dissipative Majorana Dark Spaces.

Matthias Gau1,2, Reinhold Egger1, Alex Zazunov1

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Driven dissipative Majorana devices stabilize quantum states in "dark spaces," offering superior fault tolerance. This enables robust dark qubit encoding using standard hardware and autonomous error correction for advanced quantum computing.

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Area of Science:

  • Quantum Information Science
  • Condensed Matter Physics
  • Quantum Computing

Background:

  • Stabilizing pure quantum states in open quantum systems is challenging.
  • Environmental interactions and external driving are key factors.
  • Majorana devices offer unique topological properties for quantum information.

Purpose of the Study:

  • To investigate the advantages of driven dissipative (DD) Majorana devices for stabilizing quantum states.
  • To propose a method for manipulating states within "dark spaces" using DD Majorana devices.
  • To assess the fault tolerance of DD Majorana devices for quantum information processing.

Main Methods:

  • Utilizing driven dissipative (DD) techniques with Majorana devices.
  • Employing two tunnel-coupled Majorana boxes and standard hardware components.
  • Proposing a dark qubit encoding scheme within degenerate state manifolds.

Main Results:

  • DD Majorana devices demonstrate key advantages in stabilizing and manipulating states in dark spaces.
  • The proposed dark qubit encoding is feasible with standard quantum hardware.
  • Exceptional fault tolerance is anticipated due to autonomous error correction and topology.

Conclusions:

  • Driven dissipative Majorana devices provide a promising platform for robust quantum state stabilization.
  • The proposed dark qubit encoding offers a pathway to highly fault-tolerant quantum computation.
  • The synergy between DD techniques, Majorana topology, and autonomous error correction is crucial for future quantum technologies.