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November 2025
December 2025

December 2025 OLCF User Conference Call: Quantum Monte Carlo on a Trapped-Ion Quantum Computer

Quantum-classical auxiliary-field quantum Monte Carlo (QC-AFQMC) with quantum tomography matchgate shadows is a promising near-term quantum algorithm with the potential to deliver practical value in quantum chemistry and materials science. However, prior studies have raised significant concerns about its viability, citing the prohibitive cost of classical post-processing. In this work, we demonstrate that, through algorithmic innovations and highly optimized implementations leveraging state-of-the-art NVIDIA GPUs, we achieve several orders of magnitude speedup in the post-processing step compared to previous approaches. We further showcase an end-to-end workflow modeling a transition metal catalyzed synthetic reaction, executed on IonQ’s Forte quantum computer. This 24-qubit simulation represents the largest QC-AFQMC matchgate shadow experiment performed on quantum hardware to date. Combined with advanced error mitigation techniques, our results achieve accuracy competitive with leading classical methods. These advances mark a substantial step toward the practical application of quantum computing in real-world quantum chemistry simulations.
10 Dec
12:00 pm - 1:00 pm
Zoom
January 2026
April 2026

Spring 2026 Frontier Hackathon

OLCF, in partnership with AMD, HPE, and others, invites research teams to participate in a competitive hackathon on Frontier, the world’s most powerful supercomputer. Participants will work to advance fundamental scientific discovery by exploring strategies to optimize performance, scalability, and data processing, as well as developing innovative methods to accelerate high-performance computing workflows and enhance computational efficiency. Selected teams will collaborate with leading experts to push the boundaries of what is possible on exascale systems. Proposals are due by March 4.
13 - 23 Apr
All Day
Zoom
July 2026

2026 Quantum Computing User Forum

The Quantum Computing User Forum brings together both users of the Quantum Computing User Program (QCUP) and other interested parties in order to discuss common practices in the development of applications, software, and simulations for quantum computing devices and systems. Hosted by the Oak Ridge Leadership Computing Facility at Oak Ridge National Laboratory, the Forum is scheduled for July 20-24th, 2026.
20 - 24 Jul
All Day
October 2026
No event found!