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About this paper
Timothy Proctor, Robin Blume-Kohout, Andrew Baczewski
This research provides a realistic assessment of current quantum computer capabilities against the requirements for solving useful problems. It outlines a roadmap emphasizing that a combination of reduced physical error rates, error mitigation, and, most critically, quantum error correction will be necessary to bridge the vast gap to quantum utility.
Key insights
- A "vast gulf" exists between current quantum computing capabilities (~10 kiloquops) and the demands of utility-scale problems (gigaquops to teraquops).
- While reducing physical error rates and error mitigation are beneficial, quantum error correction (QEC) is identified as the "primary ingredient" required for achieving utility.
- Transitioning to Fault-Tolerant Quantum Computing (FTQC) architectures, enabled by QEC, will be essential, despite the associated significant overheads in physical qubits and engineering complexity.
Summary by alphaXiv.
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