Physics

This year’s March Meeting of the American Physical Society featured a focus session on computational materials research proposed and led by ORNL’s Jack Wells.
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The PanDA collaboration holds potential benefits for OLCF as well as for ATLAS.
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A team from Thomas Jefferson National Accelerator Facility (JLab) in Virginia is working to deepen our understanding of quarks, enlisting the help of Oak Ridge National Laboratory’s Titan supercomputer.
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By adding a graphics processing unit (GPU) accelerator to the 16-core central processing unit (CPU) on each node, the OLCF substantially increased Titan’s computing capability, enabling INCITE researchers to reach unprecedented science achievements.

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Titan allows advanced scientific applications to reach unprecedented speeds, enabling scientific breakthroughs faster than ever with only a marginal increase in power consumption.
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To prepare California for the next “big one,” SCEC joint researchers are simulating earthquakes at high frequencies for more detailed predictions that are needed by structural engineers on Titan.
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Scientists from Germany’s HZDR–Dresden used Titan, the most powerful supercomputer in the United States located at Oak Ridge National Laboratory, to simulate billions of particles in two passing plasma jet streams.
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Researchers are using DOE’s most powerful computing systems, including the nation’s top-ranked machine, ORNL’s Titan, to simulate the evolution of the universe as it expands across billions of years.
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OLCF user Gaute Hagen recently received an Early Career Award from the Department of Energy’s Office of Science.
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Researchers with CASL are simulating fuel rod stabilization on ORNL’s Titan supercomputer.
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Researchers combining the supercomputing muscle of ORNL’s Jaguar with the experimental abilities of powerful research magnets have confirmed an exotic quantum state known as Bose glass.
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Members of the USQCD converged on ORNL April 29–30 to discuss their exploration of the strong nuclear force and the computing resources that will keep that exploration moving forward.
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An ORNL and University of Tennessee team has used the Department of Energy’s Jaguar supercomputer to calculate the number of isotopes allowed by the laws of physics. The team’s results are presented in the June 28 issue of the journal Nature.
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A recent cover of Science magazine features a visualization from a long-standing INCITE/OLCF user team’s quest to discover the mechanism behind the explosions of core-collapse supernovas.
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Hai Ah Nam, a computational scientist a the OLCF, and Channa Palmer, ORNL university recruiter, led the SCUWP group through tours of ORNL’s historic Graphite Reactor, Spallation Neutron Source, OLCF, and the Everest Powerwall, a 30-foot screen for scientific visualizations.
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Homa Karimabadi’s team, in close collaboration with William Daughton at Los Alamos National Laboratory, is currently using the OLCF’s Jaguar supercomputer to better understand the processes giving rise to space weather.
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