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Probing the inner workings of high-fidelity quantum processors

DOE/US Department of Energy

Tiny silicon quantum processors have finally surpassed 99 percent fidelity, an important milestone toward future quantum computers. Three research groups demonstrated 99 percent fidelity for “if-then” logic gates between two silicon qubits. The researchers used a technique called gate set tomography to achieve this in two of the three experiments, an important methodological step.

Journal: Nature

Department of Energy announces $10 million for artificial intelligence research for high energy physics

DOE/US Department of Energy
Grant and Award Announcement

The U.S. Department of Energy (DOE) announced $10 million in funding for projects in artificial intelligence (AI) research for High Energy Physics. This funding will support research that furthers our understanding of fundamental particles and their interactions by making use of artificial intelligence.

Department of Energy to provide $84 million for new research involving urban integrated field laboratories

DOE/US Department of Energy
Grant and Award Announcement

The U.S. Department of Energy (DOE) announced a plan to provide $84 million for new observational, modeling, and simulation studies to improve the accuracy of community-scale climate research and inform equitable climate solutions to minimize adverse impacts caused by climate change.

Searching for mach waves inside a perfect liquid

DOE/US Department of Energy

Scientists have created a new way to examine Mach waves in quark-gluon plasma. This plasma has almost no resistance to flow, making it the world’s most perfect fluid. The shape of a Mach wave can offer important information about quark-gluon plasma. Because quark-gluon plasma existed in the early universe a fraction of a second after the Big Bang, understanding its properties helps scientists understand how the universe formed.

Journal: Physical Review Letters

Collisions of “Isobars” Produce Surprising Result

DOE/US Department of Energy

Scientists compared collisions of ruthenium-96 ions with collisions of zirconium-96 ions, which have four fewer protons, expecting to see a greater separation of charged particles emerging from ruthenium collisions because its greater proton number generates a stronger magnetic field. The results instead showed slightly more charge separation in zirconium collisions. This suggests there may be more differences between these two “isobar” nuclei than just their proton numbers.

Journal: Physical Review C

Meet Richard Buttery, Director of the DIII-D National Fusion Facility

DOE/US Department of Energy

Meet Richard Buttery, director of DIII-D, the largest magnetic fusion device in the United States. As a Department of Energy Office of Science user facility, DIII-D plays a leading role in the advancement of #fusionenergy research. This is one in a series of profiles on the directors of the SC-stewarded user facilities.

Department of Energy announces $50 million for fusion research at tokamak and spherical tokamak facilities

DOE/US Department of Energy
Grant and Award Announcement

Today, the U.S. Department of Energy (DOE) announced a plan to provide up to $50 million to support U.S. scientists conducting experimental research in fusion energy science at tokamak and spherical tokamak facilities in the U.S. and around the globe.

Arsenic Makes Black Phosphorus Hop for Energy Efficiency

DOE/US Department of Energy

For optimal performance, thermoelectric materials must conduct small amounts of heat and large amounts of electricity. However, crystal structure and electrons that carry electricity also carry heat. Researchers have found that doping black phosphorous with arsenic results in a 2-D material with a structure that may break the link between heat and electrical conductivity, resulting in improved thermoelectric power and potential for use in future energy-efficient technologies.

Journal: ACS Applied Energy Materials

New genome editing tools can edit within microbial communities

DOE/US Department of Energy

Natural microbial communities contain multiple species of bacteria, making it difficult to isolate and culture individual bacterial species. Two new tools allow researchers to genetically manipulate distinct bacterial species within their communities. Combined, these tools give researchers the ability to track genetic modifications as the community grows and to examine gene function in microorganisms that cannot be grown in the lab.

Journal: Nature Microbiology

Anyons found! Best evidence yet for these long-sought quasi-particles

DOE/US Department of Energy

Researchers have found direct evidence of the existence of anyons, a quasiparticle first predicted in the 1970s. These particles behave in two-dimensional systems in ways very different from their three-dimensional quasiparticle cousins, fermions, and bosons. The results could help to improve the duration of coherence in future quantum computer qubits.

Journal: Nature Physics

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