Development

A quantum processor matches neutron scattering on fifty qubits

development2026-03-29

Claim

IBM and collaborators demonstrated a superconducting quantum processor producing meaningful comparisons with neutron-scattering measurements of a canonical physical system on up to fifty qubits, a milestone for pre-fault-tolerant material simulation.

Reported metric: 50 qubits

Reporting date: 2026-03-29 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to March 29, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to March 29, 2026

Actor

IBM Quantum

Evidence for

Supersedes

A quantum-resistant deadline moves forward six years

Referenced by

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Citation formatCitation text

A quantum processor matches neutron scattering on fifty qubits
Innermost Loop KB — secondary record
Reporting date: 2026-03-29
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-03-29-fifty-qubit-material-simulation
Claim: IBM and collaborators demonstrated a superconducting quantum processor producing meaningful comparisons with neutron-scattering measurements of a canonical physical system on up to fifty qubits, a milestone for pre-fault-tolerant material simulation.
Attributed sources:
- Welcome to March 29, 2026 — https://theinnermostloop.substack.com/p/welcome-to-march-29-2026
This citation does not imply independent verification of linked-source claims.

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