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Search results for quantum Hall

Condensed Matter Aug 3, 2023

Current takes a surprising path in quantum material

Cornell researchers have used magnetic imaging to obtain the first direct visualization of how electrons flow in a special type of insulator, and by doing so they discovered that the transport current moves through the interior ...

Condensed Matter Jul 31, 2023

Study finds no evidence of universal topological signatures in high harmonic generation

Topology plays an enormous role in modern condensed matter physics and beyond. It describes how solid materials can combine two very different and somewhat contradictory properties—for example, topological insulators are ...

Condensed Matter Jul 28, 2023

Team creates simple superconducting device that could dramatically cut energy use in computing

MIT scientists and colleagues have created a simple superconducting device that could transfer current through electronic devices much more efficiently than is possible today. As a result, the new diode, a kind of switch, ...

Nanophysics Jul 27, 2023

Mixing of moiré-surface and bulk states: Capturing Hofstadter's butterfly in one of Earth's most ancient materials

Researchers in the National Graphene Institute (NGI) at The University of Manchester have revisited one of the most ancient materials on Earth—graphite—and discovered new physics that has eluded the field for decades.

Condensed Matter Jul 26, 2023

Researchers control the anomalous Hall effect and Berry curvature to create flexible quantum magnets

Some of our most important everyday items, such as computers, medical equipment, stereos, generators, and more, work because of magnets. We know what happens when computers become more powerful, but what might be possible ...

Superconductivity Jul 13, 2023

New superconductors can be built atom by atom, researchers show

The future of electronics will be based on novel kinds of materials. Sometimes, however, the naturally occurring topology of atoms makes it difficult for new physical effects to be created. To tackle this problem, researchers ...

Optics & Photonics Jul 6, 2023

Quantum plasmonics with dressing EM fields: Advancing the design of nanoscale integrated circuits

Envision a realm where light can be meticulously controlled and manipulated at minuscule scales, unlocking unprecedented potentials for nanotechnology and quantum information technology. Recent breakthroughs in quantum research ...

Quantum Âé¶¹ÒùÔºics Jun 27, 2023

Researchers make a quantum computing leap with a magnetic twist

Quantum computing could revolutionize our world. For specific and crucial tasks, it promises to be exponentially faster than the zero-or-one binary technology that underlies today's machines, from supercomputers in laboratories ...

Quantum Âé¶¹ÒùÔºics Jun 21, 2023

Study reports first realization of a Laughlin state in ultracold atoms

The discovery of the quantum Hall effects in the 1980s revealed the existence of novel states of matter called "Laughlin states," in honor of the American Nobel prize winner who successfully characterized them theoretically. ...

Condensed Matter May 16, 2023

New material paves the way for more efficient electronics

Researchers from the University of Twente proved that germanene, a two-dimensional material made of germanium atoms, behaves as a topological insulator. It is the first 2D topological insulator that consists of a single element. ...

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