References: Breakthroughs Required for Viability
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Quantum error correction - Wikipedia - Explains surface codes, threshold theorems, and the nonlinear relationship between physical error rates and overhead ratios, central to this chapter's analysis of why error rates must drop 100-10,000x.
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Fault-tolerant quantum computation - Wikipedia - Describes the conditions for fault tolerance including independent error assumptions and threshold requirements, relevant to this chapter's catalog of why all ten breakthroughs must occur simultaneously.
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Joint probability - Wikipedia - Explains joint probability for independent and dependent events, the mathematical framework this chapter uses to demonstrate that the collective likelihood of all required breakthroughs is vanishingly small.
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Quantum Error Correction (2013) - Daniel A. Lidar and Todd A. Brun, Editors - Cambridge University Press - Comprehensive treatment of error correction overhead calculations and threshold requirements, providing the technical foundation for this chapter's analysis of breakthroughs 1 and 8.
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Quantum Computing: An Applied Approach (2nd Edition, 2021) - Jack D. Hidary - Springer - Includes resource estimates for fault-tolerant algorithms showing million-qubit requirements, supporting this chapter's enumeration of the scale of breakthroughs needed across all ten dimensions.
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How to Factor 2048 Bit RSA Integers in 8 Hours Using 20 Million Noisy Qubits - Gidney and Ekera, arXiv (2019) - Provides the most cited resource estimate for practical quantum computation, establishing the 20 million qubit target that underlies this chapter's 1,000x scaling requirement.
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Suppressing Quantum Errors by Scaling a Surface Code Logical Qubit - Google Quantum AI, Nature (2023) - Reports on the current state of error suppression using surface codes, providing empirical data on where we stand relative to the error rate breakthroughs this chapter identifies as necessary.
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The Quantum Computing Bubble - Sankar Das Sarma, arXiv (2024) - Catalogs the gap between current quantum hardware capabilities and the requirements for useful computation, independently corroborating the ten-breakthrough framework developed in this chapter.
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Quantum Computing: Progress and Prospects (2019) - National Academies of Sciences - Independent assessment identifying multiple simultaneous breakthroughs needed for viable quantum computing, supporting this chapter's joint probability analysis of collective success.
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Low-Overhead Fault-Tolerant Quantum Computing - Gidney et al., arXiv (2023) - Explores reduced-overhead approaches to fault tolerance that still require dramatic improvements across multiple dimensions, demonstrating that even optimistic scenarios require most of the breakthroughs cataloged in this chapter.