Search results for quantum materials

Optics & Photonics 15 hours ago

New class of laser beam doesn't follow normal laws of refraction

University of Central Florida researchers have developed a new type of laser beam that doesn't follow long-held principles about how light refracts and travels.

Quantum Physics Aug 05, 2020

Manifestation of quantum distance in flat band materials

The geometry of an object indicates its shape or the relationship of its parts to each other. Did you know that the electrons in solids also have geometric structures? In quantum mechanics, an electron in solids takes the ...

Materials Science Aug 05, 2020

Sustainable chemistry at the quantum level

Developing catalysts for sustainable fuel and chemical production requires a kind of Goldilocks Effect—some catalysts are too ineffective while others are too uneconomical. Catalyst testing also takes a lot of time and ...

Quantum Physics Aug 03, 2020

Calculating the benefits of exascale and quantum computers

A quintillion calculations a second. That's one with 18 zeros after it. It's the speed at which an exascale supercomputer will process information. The Department of Energy (DOE) is preparing for the first exascale computer ...

Quantum Physics Aug 05, 2020

Spin wave detective story redux: Researchers find more surprising behavior in a 2-D magnet

A few months ago, a team of scientists from the National Institute of Standards and Technology (NIST) reported something surprising about a 2-D magnetic material: Behavior that had long been presumed to be due to vibrations ...

General Physics Jul 31, 2020

When Dirac meets frustrated magnetism

The fields of condensed matter physics and materials science are intimately linked because new physics is often discovered in materials with special arrangements of atoms. Crystals, which have repeating units of atoms in ...

Optics & Photonics Jul 31, 2020

Physicists find misaligned carbon sheets yield unparalleled properties

A material composed of two one-atom-thick layers of carbon has grabbed the attention of physicists worldwide for its intriguing—and potentially exploitable—conductive properties.

Earth Sciences Jul 31, 2020

John Tyndall: the forgotten co-discoverer of climate science

It is surprising that the Irish scientist John Tyndall, born 200 years ago on August 2 1820, is not better known. This is despite the existence of the Tyndall Centre for Climate Change Research, the Tyndall National Institute ...

Quantum Physics Jul 28, 2020

Solving materials problems with a quantum computer

Quantum computers have enormous potential for calculations using novel algorithms and involving amounts of data far beyond the capacity of today's supercomputers. While such computers have been built, they are still in their ...

Quantum Physics Jul 20, 2020

Quantum exciton found in magnetic van der Waals material

Things can always be done faster, but can anything beat light? Computing with light instead of electricity is seen as a breakthrough to boost computer speeds. Transistors, the building blocks of data circuits, are required ...

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