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Search results for quantum Hall

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.

Quantum Âé¶¹ÒùÔºics Nov 17, 2022

A new experiment pushes the boundaries of our understanding of topological quantum matter

New research conducted by Princeton University physicists is delving with high resolution into the complex and fascinating world of topological quantum matter—a branch of physics that studies the inherent quantum properties ...

Quantum Âé¶¹ÒùÔºics Nov 7, 2022

The charge dynamics of a non-centrosymmetric magnetic Weyl semimetal

In work published in npj Quantum Materials, a team led by Prof. Leonardo Degiorgi in the Department of Âé¶¹ÒùÔºics at ETH Zurich has studied the broadband charge dynamics (i.e., longitudinal optical conductivity) of the ferromagnetic ...

General Âé¶¹ÒùÔºics Nov 1, 2022

Testing a fundamental force: New study advances our understanding of the universe

Research from a team of physicists at the University of New Hampshire is advancing the understanding of how protons, which comprise 95% of the mass of the visible universe, interact with each other. The results provide a ...

General Âé¶¹ÒùÔºics Oct 26, 2022

Scientists discover exotic quantum state at room temperature

For the first time, physicists have observed novel quantum effects in a topological insulator at room temperature. This breakthrough, published as the cover article of the October issue of Nature Materials, came when Princeton ...

Quantum Âé¶¹ÒùÔºics Oct 25, 2022

Electrons that flow like liquids pave the way for robust quantum computers

Quantum computers, which can perform calculations much faster than traditional computers, have a big problem: They are prone to data storage and processing errors caused by disturbances from the environment like vibrations ...

Optics & Photonics Oct 24, 2022

To break new ground with frequency combs, an innovation plays with the beat

An improvement to a Nobel Prize-winning technology called a frequency comb enables it to measure light pulse arrival times with greater sensitivity than was previously possible—potentially improving measurements of distance ...

Optics & Photonics Oct 14, 2022

Âé¶¹ÒùÔºicists have developed a new photonic system with electrically tuned topological features

Scientists from the Faculty of Âé¶¹ÒùÔºics at the University of Warsaw in cooperation with the Military University of Technology, the Italian CNR Nanotec, the British University of Southampton and the University of Iceland obtained ...

Quantum Âé¶¹ÒùÔºics Oct 10, 2022

Nobel-winning quantum weirdness promises better ways of encrypting communications and imaging your body

Unhackable communications devices, high-precision GPS and high-resolution medical imaging all have something in common. These technologies—some under development and some already on the market all rely on the non-intuitive ...

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