Quantum Computing Experiment Realizes Verifiably Random Number
Researchers used the unique capabilities of a quantum computer to generate a verifiably random number in a study published in the journal Nature. Even a workflow that included the world’s first exascale supercomputer couldn’t match the random quality of the quantum computer’s output. “All of us in today’s world use…

ORNL, IQM Introduce Quantum Computing to 2025 Winter Classic Cluster Competition
Quantum computing might still be in its infancy, but it’s hardly a buzzword anymore, and leading computing experts are already preparing for the future generation of users. In February, computing staff from the Department of Energy’s Oak Ridge National Laboratory took part in the 2025 Winter Classic Invitational Student Cluster…

Quantum Study Seeks to Solve Questions on Fluid Flow
Researchers at the Department of Energy’s Oak Ridge National Laboratory tested a quantum computing approach to an old challenge: solving classical fluid dynamics problems. The study relied on support from the Quantum Computing User Program, or QCUP, part of ORNL’s Oak Ridge Leadership Computing Facility. The results highlight avenues for further study of quantum…

The OLCF’s 2024 in Review
High-performance computing pushed the boundaries of what’s possible in 2024, driving advancements across a range of disciplines. Partnerships with top academic, industrial and government institutions led to major contributions in fields such as quantum molecular mechanics and aviation. The year also saw groundbreaking research honored at leading conferences, underscoring the…

DOE’s Quantum Computing User Program releases Request for Information to Gather Input on Quantum Computing Access
The Department of Energy’s Quantum Computing User Program, or QCUP, at the Oak Ridge Leadership Computing Facility, or OLCF, enables scientific discovery and technological innovation by providing a diverse community of scientific researchers access to quantum computing resources. This competitive merit-based access program partners with quantum computing vendors to provide…

Study Seeks to Unite High-Performance Computing, Quantum Computing for Science
A study by more than a dozen scientists at the Department of Energy’s Oak Ridge National Laboratory examines potential strategies to integrate quantum computing with the world’s most powerful supercomputing systems in the pursuit of science. The study published in Future Generation Computing Systems takes a big-picture look at the…

Quantum Computing Experts Gather for Fifth Annual User Forum at ORNL
The Quantum Computing User Forum, or QCUF, welcomed attendees for a dynamic event at the Department of Energy’s Oak Ridge National Laboratory from Aug. 12 to Aug. 15. Hosted by the lab’s Quantum Computing Institute and the Oak Ridge Leadership Computing Facility, or OLCF, the fifth annual event was the largest yet, with over…

Untangling the Entangled
Researchers used quantum simulations to obtain new insights into the nature of neutrinos — the mysterious subatomic particles that abound throughout the universe — and their role in the deaths of massive stars. The study relied on support from the Quantum Computing User Program, or QCUP, and the Quantum Science Center, a national Quantum Information…

Steering Toward Quantum Simulation at Scale
Researchers simulated a key quantum state at one of the largest scales reported, with support from the Quantum Computing User Program, or QCUP, at the Department of Energy’s Oak Ridge National Laboratory. The techniques used by the team could help develop quantum simulation capabilities for the next generation of quantum…

Frontier Search for Lightweight, Flexible Alloys Wins Gordon Bell Prize
A team of eight scientists won the Association for Computing Machinery’s 2023 Gordon Bell Prize for their study that used the world’s first exascale supercomputer to run one of the largest simulations of an alloy ever and achieve near-quantum accuracy. The ACM Gordon Bell Prize recognizes outstanding achievement in high-performance…

Quantum Experts Gather for Fourth Annual Quantum Computing User Forum at ORNL
For the first time since 2019, the Quantum Computing User Forum welcomed attendees for an in-person gathering at the Department of Energy’s Oak Ridge National Laboratory from July 17 to 20. Hosted by the Quantum Computing Institute and the Oak Ridge Leadership Computing Facility, the fourth annual event brought together…

Shedding Light on Singlet Fission Materials
Using the full capabilities of the Quantinuum H1-1 quantum computer, researchers from the Department of Energy’s Oak Ridge National Laboratory not only demonstrated best practices for scientific computing on current quantum systems but also produced an intriguing scientific result. By modeling singlet fission — in which absorption of a single…

Putting Quantum Circuits to the Test
Researchers used Oak Ridge National Laboratory’s Quantum Computing User Program, or QCUP, to perform the first independent comparison test of leading quantum computers. The study surveyed 24 quantum processors and ranked results from each against performance numbers touted by such vendors as IBM, Rigetti and Quantinuum (formerly Honeywell). The research…

Spinning up Quantum Fidelity
Researchers reached new levels of accuracy in quantum simulations of spin defects using the Oak Ridge Leadership Computing Facility’s Quantum Computing User Program, or QCUP, at the U.S. Department of Energy’s Oak Ridge National Laboratory. Their work offers a potential step toward greater precision and reliability in computations on quantum…

Where Worlds Collide
Lawrence Berkeley National Laboratory physicists Christian Bauer, Marat Freytsis, and Benjamin Nachman have leveraged an IBM Q quantum computer through the Oak Ridge Leadership Computing Facility’s (OLCF's) Quantum Computing User Program (QCUP) to capture part of a calculation of two protons colliding. The calculation can show the probability that an…
