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Search results for quantum Hall

Quantum Âé¶¹ÒùÔºics Jan 8, 2025

Discovery of new class of particles could take quantum mechanics one step further

Amid the many mysteries of quantum physics, subatomic particles don't always follow the rules of the physical world. They can exist in two places at once, pass through solid barriers and even communicate across vast distances ...

Condensed Matter Dec 19, 2024

In-plane magnetic fields reveal new Hall effect behaviors in advanced materials

In-plane magnetic fields are responsible for inducing anomalous Hall effect in EuCd2Sb2 films, report researchers from the Institute of Science Tokyo. By studying how these fields change electronic structures, the team discovered ...

Condensed Matter Dec 17, 2024

Current generated by the quantum Hall effect found to have additional magnetic properties

The quantum Hall effect, a fundamental effect in quantum mechanics, not only generates an electric but also a magnetic current. It arises from the motion of electrons on an orbit around the nuclei of atoms. This has been ...

General Âé¶¹ÒùÔºics Dec 16, 2024

How do you make a kilogram? Gravity can provide new answers

Claus Lämmerzahl, Professor of Gravitational Âé¶¹ÒùÔºics at the University of Bremen, and Dr. Sebastian Ulbricht, scientist at the Natural Metrology Institute, have proposed in a new article that gravity could be the basis for ...

Nanophysics Dec 10, 2024

Graphene stacking discovery could herald new era for quantum applications

Graphene, a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice, is known for its exceptional properties: incredible strength (about 200 times stronger than steel), light weight, flexibility, and ...

Condensed Matter Dec 4, 2024

New quantum resistance standard can operate without an external magnetic field

Scientists at the University of Würzburg and the German national metrology institute (PTB) have carried out an experiment that realizes a new kind of quantum standard of resistance. It's based on the Quantum Anomalous Hall ...

Nanophysics Dec 3, 2024

New method realize ohmic contacts in n-type MoSâ‚‚ transistors at cryogenic temperatures

Semiconducting transition metal dichalcogenides (TMDs) are a class of layered materials exhibiting unique optoelectronic properties that could be leveraged to develop transistors, sensors and other nanoelectronics. Despite ...

Optics & Photonics Nov 26, 2024

Twisted light gives electrons a spinning kick: Researchers develop a novel way to control quantum interactions

It's hard to tell when you're catching some rays at the beach, but light packs a punch. Not only does a beam of light carry energy, it can also carry momentum. This includes linear momentum, which is what makes a speeding ...

Condensed Matter Nov 19, 2024

Âé¶¹ÒùÔºicists explain how fractional charge in pentalayer graphene could work

MIT physicists have taken a key step toward solving the puzzle of what leads electrons to split into fractions of themselves. Their solution sheds light on the conditions that give rise to exotic electronic states in graphene ...

Condensed Matter Oct 30, 2024

Quantum simulator could help uncover materials for high-performance electronics

Quantum computers hold the promise to emulate complex materials, helping researchers better understand the physical properties that arise from interacting atoms and electrons. This may one day lead to the discovery or design ...

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