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Oak Ridge National Laboratory

Using a 56-qubit quantum computer, researchers have for the first time experimentally demonstrated a way of generating random numbers from a quantum computer and then using a classical supercomputer to prove they are truly random and freshly generated. Image credit: Quantinuum.
Quantum Computing

Quantum Computing Milestone: 56-Qubit system achieves certified randomness

Amit Malewar

Despite performing several important tasks beyond the abilities of classical computers, realizing quantum computers' potential remains a significant challenge. A new study by researchers from...

High-fidelity Bell states synthesized within a single photon, where polarization serves as the control qubit and frequency as the target qubit
Quantum Computing

The first-of-its-kind quantum gate operates between two photonic degrees

Amit Malewar

Photonic degrees of freedom describe different properties of a photon.

With an improved catalyst, ORNL chemists converted two greenhouse gases, methane (CH4) and carbon dioxide (CO2), to syngas, a valuable mix of hydrogen (H2) and carbon monoxide (CO).
Science

New catalyst turns harmful greenhouse gases into cleaner fuels

Ashwini Sakharkar

A chemical reaction can convert two polluting greenhouse gases into cleaner fuels.

Takeshi Egami stands at his workstation at ORNL’s Spallation Neutron Source where he used novel experimental methods to propose the density wave theory.
Science

Scientists describe new world order for glasses and liquids

Ashwini Sakharkar

Amorphous atomic structure of liquids and glasses is, quite literally, all over the place.

keeps food and beverages refrigerated
Technology

Cutting carbon: ORNL’s PCM tech keeps food cool, cuts emissions by 30%

Amit Malewar

Less carbon, more chill.

3D simulations of X-ray bursts on the surfaces of neutron stars
Space

3D simulations of X-ray bursts on the surfaces of neutron stars

Amit Malewar

Exploring exotic stellar phenomena.

Spiral-tip motion
Nanotechnology

Deciphering dynamics of electric charge

Amit Malewar

New tool presents precise, holistic picture of devices, materials.

When an electron beam drills holes in heated graphene
Science

Advancing atomic-scale manufacturing

Amit Malewar

Graphene appeared impervious to the electron beam.

TbMn6Sn6
Science

New magnetic interactions might provide unique techniques to control electron transport

Pranjal Malewar

The research could pave the ways to manipulate electron flow with much less energy loss.

Image illustrating nd
Science

How long can a neutron “live” outside an atomic nucleus?

Amit Malewar

Physicists confront the neutron lifetime puzzle.

material’s spins
Science

Scientists detected spooky quantum entanglement in solid materials

Amit Malewar

Scientists demonstrate how quantum entanglement can be witnessed in the quasi-1D Heisenberg antiferromagnet.

mysterious magnetism
Science

Hidden and unexpected quantum behavior uncovered in simple iron-iodide material

Amit Malewar

Neutrons piece together a 40-year puzzle behind iron-iodide's mysterious magnetism.

neutrino detectors
Science

Nuclear physicists improve the precision of neutrino studies

Amit Malewar

Righting a wrong!

An ORNL research team lead is developing a universal benchmark for the accuracy and performance of quantum computers based on quantum chemistry simulations. The benchmark will help the community evaluate and develop new quantum processors. (Below left: schematic of one of quantum circuits used to test the RbH molecule. Top left: molecular orbitals used. Top right: actual results obtained using the bottom left circuit for RbH). Credit: Oak Ridge National Laboratory
Quantum Computing

Advancing performance benchmark for quantum computers

Amit Malewar

A first step towards a comprehensive suite of benchmarks.

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