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Beyond NISQ: The Megaquop Machine

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arxiv 2502.17368 v2 pith:XPDYSYP3 submitted 2025-02-24 quant-ph

classification quant-ph
keywords quantumcomputerscorrectionerrormachinesmegaquopnisqvalue
verification ladder T0 review T1 audit T2 compute T3 formal

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Today's Noisy Intermediate-Scale Quantum (NISQ) computers have scientific value, but quantum machines with broad practical value must be protected against noise using quantum error correction and fault-tolerant protocols. Recent studies of quantum error correction on actual hardware are opening a new era of quantum information processing. Error-corrected computers capable of performing one million quantum operations or more may be realized soon, raising a compelling question for the quantum community: What are the potential uses of these megaquop machines?

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Forward citations

Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Realizing Error Suppression in Partially Fault-Tolerant Quantum Simulations with IBM Quantum Computers

    quant-ph 2026-07 conditional novelty 6.0 of 10

    Partially fault-tolerant [[4,2,2]] Iceberg-code simulations on ibm_boston improve local Ising observables over unencoded baselines by a few percent in 1D and over 200% in 2D at late times via Observable-Ranked Postselection.

  2. Leveraging biased noise for more efficient quantum error correction at the circuit-level with two-level qubits

    quant-ph 2025-05 conditional novelty 6.0 of 10

    Bias-preserving CZ gates plus small residual CNOT bias enable a 90% threshold improvement and up to 75% footprint reduction for the XZZX code in two-level qubits.

  3. Awesome Quantum Computing Experiments: Benchmarking Experimental Progress Towards Fault-Tolerant Quantum Computation

    quant-ph 2025-07 conditional novelty 4.0 of 10

    Experimental quantum hardware metrics follow exponential trends with reported doubling or halving times of about one to six years across platforms.

  4. Verification of Quantum Circuits through Barrier Certificates using a Scenario Approach

    cs.LO 2025-06 conditional novelty 4.0 of 10

    A sampling-plus-LP pipeline synthesizes barrier certificates for quantum circuits and SMT-verifies them over continuous state spaces, for finite or infinite horizons with uncertainty.

  5. Artificial intelligence for representing and characterizing quantum systems

    quant-ph 2025-09 unverdicted novelty 1.0 of 10

    A review organizes AI-based quantum system characterization into ML, deep learning, and language model paradigms, covering property prediction and implicit state reconstruction.

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