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RIKEN Scales Quantum-Supercomputing in Japan with Quantinuum System Upgrade
The 56-qubit system is designed to cut time-to-solution and support larger workloads for chemistry, materials science and pharmaceutical research.
- On Thursday, April 16, 2026, RIKEN announced it procured Quantinuum's System Model H2 quantum computer to upgrade the Reimei-Fugaku hybrid platform at its research facility near Tokyo.
- Launched in 2025, the Reimei-Fugaku platform combines RIKEN's Fugaku supercomputer with Quantinuum's quantum system; assembly is underway to integrate H2, replacing the predecessor System Model H1.
- The newer-generation, 56-qubit system is engineered for high-fidelity operations that reduce time-to-solution, enable larger workloads, and support higher-value applications in pharmaceutical and materials science research.
- RIKEN Division Director Mitsuhisa Sato said the upgrade is "exactly what we have been eagerly anticipating," while Quantinuum President Rajeeb Hazra called it a "validation of our technology roadmap."
- Hybrid compute systems combine HPC data-processing power with quantum modeling to solve specialized mathematical problems; researchers already simulated biomolecular reactions at accuracy levels infeasible for classical systems alone.
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Total News Sources28
Leaning Left4Leaning Right4Center9Last UpdatedBias Distribution53% Center
Bias Distribution
- 53% of the sources are Center
53% Center
L 24%
C 53%
R 23%
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