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Search results for non-Abelian

Quantum Âé¶¹ÒùÔºics Nov 23, 2020

A new beat in quantum matter

Oscillatory behaviors are ubiquitous in nature, ranging from the orbits of planets to the periodic motion of a swing. In pure crystalline systems, presenting a perfect spatially-periodic structure, the fundamental laws of ...

Optics & Photonics Oct 9, 2020

The first demonstration of braiding in photonic topological zero modes

Âé¶¹ÒùÔºics theory suggests that exotic excitations can exist in the form of bound states confined in the proximity of topological defects, for instance, in the case of Majorana zero modes that are trapped in vortices within ...

Quantum Âé¶¹ÒùÔºics Sep 25, 2020

Researchers work to create a roadmap on quantum materials

The term 'quantum materials' was introduced to highlight the exotic properties of unconventional superconductors, heavy-fermion systems (materials with unusual electronic and magnetic properties) and multifunctional oxides. ...

Quantum Âé¶¹ÒùÔºics Sep 23, 2020

New approach to exotic quantum matter

In a three-dimensional world, all particles must be either fermions or bosons, but in fewer dimensions, the existence of particles known as anyons, which have intermediate quantum statistics, is possible. Such fascinating ...

Superconductivity Aug 27, 2020

Topological superconducting phase protected by 1-D local magnetic symmetries

Topological superconductors (TSCs) are new kind of topological quantum states with fully superconducting gapped band structure in the bulk, but they support gapless excitations called Majorana zero modes (MZMs) at the boundaries. ...

Quantum Âé¶¹ÒùÔºics Mar 13, 2020

Discovery of zero-energy bound states at both ends of a one-dimensional atomic line defect

In recent years, the development of quantum computers beyond the capability of classical computers has become a new frontier in science and technology and a key direction to realize quantum supremacy. However, conventional ...

Superconductivity Feb 12, 2020

Time crystals and topological superconductors merge

"Powering a topological superconductor using a time crystal gives you more than the sum of its parts," says Jason Alicea, a researcher at California Institute of Technology (Caltech) in the US. The discovery of topological ...

Quantum Âé¶¹ÒùÔºics Feb 7, 2020

Jackiw-Rebbi zero-mode: Realizing non-Abelian braiding in non-Majorana system

As an important branch of quantum computation, topological quantum computation has been drawing extensive attention for holding great advantages such as fault-tolerance. Topological quantum computation is based on the non-Abelian ...

General Âé¶¹ÒùÔºics Feb 3, 2020

Scientists discover hidden symmetries, opening new avenues for material design

When you knock on a melon to see if it's ripe, you are using sound waves to probe the structure of the material inside. Âé¶¹ÒùÔºicists at the University of Chicago were using the same concept to explore how sound waves travel ...

Quantum Âé¶¹ÒùÔºics Dec 31, 2019

Nearly quantized conductance plateau of vortex mode in an iron-based superconductor

When a semiconducting nanowire is coupled to a superconductor, it can be tuned to topological quantum states thought to host localized quasiparticles known as Majorana Zero Modes (MZM). MZMs are their own antiparticles, with ...

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