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Search results for quantum Hall

Condensed Matter Mar 21, 2023

Surprise in the quantum world: Disorder leads to ferromagnetic topological insulator

Magnetic topological insulators are an exotic class of materials that conduct electrons without any resistance at all and so are regarded as a promising breakthrough in materials science. Researchers from the Cluster of Excellence ...

Optics & Photonics Mar 20, 2023

Quantum engineering meets nanoscale data processing: Unleashing the power of light-driven conductivity control

Over the past few decades, the field of data processing and transferring technology has advanced at a rapid pace. This growth can be attributed to Moore's Law, which predicts that the number of transistors on a microchip ...

Condensed Matter Mar 3, 2023

Destroying the superconductivity in a kagome metal

A new RMIT-led international collaboration published in February has uncovered, for the first time, a distinct disorder-driven bosonic superconductor-insulator transition.

Condensed Matter Feb 23, 2023

Heterostructures support predictions of counterpropagating charged edge modes at the v=2/3 fractional quantum Hall state

In 2018, a team of physicists at Purdue University invented a device which experimentally showed quasiparticles interfering for the first time in the fractional quantum Hall effect at filling factor v=1/3. Further development ...

Quantum Âé¶¹ÒùÔºics Feb 16, 2023

Researchers observe a bubble phase of composite fermions

Strong interactions between particles in physical systems can result in various highly correlated ground states. These states and the strong correlations underpinning them have been extensively explored in recent years.

Condensed Matter Jan 31, 2023

Scientists couple terahertz radiation with spin waves

An international research team led by the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has developed a new method for the efficient coupling of terahertz waves with much shorter wavelengths, so-called spin waves. As the experts ...

Optics & Photonics Jan 27, 2023

First observation of de Broglie-Mackinnon wave packets achieved by exploiting loophole in 1980s theorem

University of Central Florida College of Optics and Photonics researchers achieved the first observation of de Broglie-Mackinnon wave packets by exploiting a loophole in a 1980s-era laser physics theorem.

Quantum Âé¶¹ÒùÔºics Jan 23, 2023

Twisting up atoms through space and time

One of the most exciting applications of quantum computers will be to direct their gaze inwards, at the very quantum rules that make them tick. Quantum computers can be used to simulate quantum physics itself, and perhaps ...

Optics & Photonics Jan 18, 2023

Emergent behavior observed in self-interacting light

Particles of light—photons—that are forced to interact with each other through specially structured glass demonstrate behavior evocative of the "fractional quantum Hall effect," a phenomenon that garnered the 1998 Nobel ...

Condensed Matter Dec 15, 2022

Dynamical fractal discovered in clean magnetic crystal

The nature and properties of materials depend strongly on dimension. Imagine how different life in a one-dimensional or two-dimensional world would be from the three dimensions we're commonly accustomed to. With this in mind, ...

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