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Quantum Computing

neutrinosFeaturedScience

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…
Matt Lakin
June 21, 2024
ScienceTechnology

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…
Matt Lakin
April 22, 2024
ORNL quantum workflowScienceTechnology

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…
Coury Turczyn
July 28, 2023
IndustryScienceTechnology

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…
Matt Lakin
May 17, 2023
Abstract imageScienceTechnology

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…
Matt Lakin
October 3, 2022
Science

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…
Rachel McDowell
April 13, 2022
ScienceTechnology

Firing Up Quantum Fidelity

Researchers used the Quantum Computing User Program (QCUP) at the US Department of Energy's (DOE's) Oak Ridge National Laboratory (ORNL) to achieve major improvements in quantum fidelity, a potential step toward more accurate, reliable quantum networks and supercomputers. Quantum computing relies on transfer and storage of information via quantum bits,…
Matt Lakin
January 7, 2022
Visualization of an aerosolized SARS-CoV-2 particle with various components inside and outside the particle.Science

2021 at the OLCF: Year in Review

In 2021, supercomputing at the US Department of Energy's (DOE's) Oak Ridge National Laboratory (ORNL) enabled new scientific breakthroughs amid the global pandemic. From modeling small particles called quarks to simulating turbulence in fusion reactors, the Oak Ridge Leadership Computing Facility's (OLCF's) flagship supercomputer, Summit, continued to provide unprecedented opportunities…
Rachel McDowell
December 30, 2021
Technology

A New Design for Quantum Computer–Monitored Electrical Grids

With support from the Quantum Computer User Program (QCUP) at the Oak Ridge Leadership Computing Facility (OLCF), researchers from Cornell University have developed a new quantum computer–based artificial intelligence (AI) system for identifying and diagnosing faults in electrical power grids. The framework promises much faster response times and smarter solutions…
Coury Turczyn
December 13, 2021
Science

Quantum computing enables simulations to unravel mysteries of magnetic materials

A multi-institutional team became the first to generate accurate results from materials science simulations on a quantum computer that can be verified with neutron scattering experiments and other practical techniques. Researchers from the Department of Energy’s Oak Ridge National Laboratory; the University of Tennessee, Knoxville; Purdue University and D-Wave Systems…
Elizabeth Rosenthal
February 9, 2021
EventsScience

Developing a Quantum Community

In April, the Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy (DOE) Office of Science User Facility located at DOE’s Oak Ridge National Laboratory (ORNL), held its second Quantum Computing User Forum. The virtual event welcomed nearly 200 attendees from around the world and featured a series…
Will Wells
June 4, 2020
The Sycamore quantum processor. Photograph by Erik Lucero/GoogleScience

Quantum Processors are Now Challenging Conventional HPC Systems

To prove quantum supremacy, a joint research team from Google Inc., NASA Ames Research Center, and the Department of Energy’s Oak Ridge National Laboratory (ORNL), needed to rule out that classical supercomputers could perform computational tasks at the same speed as Google’s Sycamore quantum computer. So, they came to the…
Andrea Schneibel
October 23, 2019
An image of a deuteron, the bound state of a proton and a neutronScience

Another First for Quantum

The beginnings of quantum computing bring about many firsts. In 2010 a team led by B. P. Lanyon simulated a hydrogen molecule, H2, on a quantum system for the first time. Last fall research scientists at IBM performed the first quantum calculations of molecules beyond hydrogen and helium. Now a…
Rachel McDowell
May 23, 2018