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Search results for quantum Hall

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, ...

Condensed Matter Nov 30, 2022

The observation of an anomalous Hall effect in altermagnetic ruthenium dioxide

The Hall effect is a conduction phenomenon discovered by physicist Edwin Herbert Hall that describes the development of a transverse electric field in solid materials carrying electric current that are placed in a magnetic ...

General Âé¶¹ÒùÔºics Nov 21, 2022

Researchers report new technique to measure the fine structure constant

The fine structure constant is one of the most important natural constants of all. At TU Wien, a remarkable way of measuring it has been found—it shows up as a rotation angle.

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