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Search results for quantum Hall

Nanophysics Mar 3, 2025

Antiferromagnetic neuromorphic memory: New spintronic device achieves brain-like memory and processing

A research team led by Prof. Long Shibing from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has, for the first time, made spintronic neuromorphic devices based on CoO/Pt ...

Optics & Photonics Mar 3, 2025

Einstein's light quanta through the lens of Maxwell's equations

Light was long considered to be a wave, exhibiting the phenomenon of interference in which ripples like those in water waves are generated under specific interactions. Light also bends around corners, resulting in fringing ...

Condensed Matter Feb 26, 2025

Âé¶¹ÒùÔºicists find unexpected crystals of electrons in new ultrathin material

MIT physicists report the unexpected discovery of electrons forming crystalline structures in a material only billionths of a meter thick. The work adds to a gold mine of discoveries originating from the material, which the ...

Optics & Photonics Feb 19, 2025

Laser-based device can scan almost any sample of gas and tell you what's in it

Expert sommeliers can take a whiff of a glass of wine and tell you a lot about what's in your pinot noir or cabernet sauvignon. A team of physicists at CU Boulder and the National Institute of Standards and Technology (NIST) ...

Space Exploration Feb 3, 2025

AI technique predicts Hall thruster power for spacecraft with high accuracy

A Hall thruster is a high-efficiency propulsion device using plasma that is used for various difficult space missions, such as SpaceX's constellation satellites, Starlink and NASA's asteroid probe, Psyche, and is one of the ...

Condensed Matter Jan 24, 2025

Engineering the first semimetallic Weyl quantum crystal

An international team of researchers led by the Strong Correlation Quantum Transport Laboratory of the RIKEN Center for Emergent Matter Science (CEMS) has demonstrated, in a world's first, an ideal Weyl semimetal, marking ...

Condensed Matter Jan 21, 2025

Illuminating an asymmetric gap in a topological antiferromagnet

Topological insulators (TIs) are among the hottest topics in condensed matter physics today. They're a bit strange: Their surfaces conduct electricity, yet their interiors do not, instead acting as insulators. Âé¶¹ÒùÔºicists ...

Quantum Âé¶¹ÒùÔºics Jan 21, 2025

Electrons in twisted graphene form novel 1/3 fractional quantum Hall state

A research team discovered a quantum state in which electrons move in a completely new way under a twisted graphene structure. The unique electronic state is expected to contribute to the development of more efficient and ...

Condensed Matter Jan 16, 2025

Anomalous Hall torque: 'Brand new physics' for next-generation spintronics

Our data-driven world demands more—more capacity, more efficiency, more computing power. To meet society's insatiable need for electronic speed, physicists have been pushing the burgeoning field of spintronics.

Optics & Photonics Jan 16, 2025

Quantum engineers 'squeeze' laser frequency combs to make more sensitive gas sensors

For the first time ever, scientists have used a technique called "quantum squeezing" to improve the gas sensing performance of devices known as optical frequency comb lasers. These ultra-precise sensors are like fingerprint ...

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