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Search results for quantum Hall

Quantum Âé¶¹ÒùÔºics Jul 23, 2020

Scientists discover a topological magnet that exhibits exotic quantum effects

An international team led by researchers at Princeton University has uncovered a new class of magnet that exhibits novel quantum effects that extend to room temperature.

Nanophysics Jul 22, 2020

Diamonds shine a light on hidden currents in graphene

It sounds like pure sorcery: using diamonds to observe invisible power swirling and flowing through carefully crafted channels. But these diamonds are a reality. JQI Fellow Ronald Walsworth and Quantum Technology Center (QTC) ...

Optics & Photonics Jul 22, 2020

Valley Hall nanoscale lasers developed

Topological photonics underpins a promising paradigm for robust light manipulation, as well as smart design of optical devices with improved reliability and advanced functionalities that are governed by the nontrivial band ...

Optics & Photonics Jul 21, 2020

Synthetic dimensions enable a new way to construct higher-order topological insulators

Topological insulators have been an exciting field of research with fundamental interest as well as practical applications such as robust transport of electrons and light, and topological quantum computing. The hallmark of ...

Materials Science Jul 15, 2020

Higher-order topology found in 2-D crystal

Over the last decade, the field of condensed matter physics has experienced a golden age with the discovery of new materials and properties, and related technologies being developed at breakneck speed thanks to the arrival ...

Condensed Matter Jul 10, 2020

Best evidence yet for existence of anyons

A small team of researchers at Purdue University has found the strongest evidence yet of the existence of abelian anyons. They have written a paper describing experiments they conducted designed to reveal the existence of ...

Optics & Photonics Jul 7, 2020

On-chip spin-Hall nanograting for simultaneously detecting phase and polarization singularities

A plasmonic spin-Hall nanograting structure that simultaneously detects both the polarization and phase singularities of the incident beam is reported. The nanograting is symmetry-breaking with different periods for the upper ...

Nanophysics Jul 6, 2020

2-D semiconductors found to be close-to-ideal fractional quantum Hall platform

Columbia University researchers report that they have observed a quantum fluid known as the fractional quantum Hall states (FQHS), one of the most delicate phases of matter, for the first time in a monolayer 2-D semiconductor. ...

Nanomaterials Jun 25, 2020

Chemists achieve breakthrough in the synthesis of graphene nanoribbons

Graphene nanoribbons might soon be much easier to produce. An international research team led by Martin Luther University Halle-Wittenberg (MLU), the University of Tennessee and Oak Ridge National Laboratory in the U.S. has ...

Quantum Âé¶¹ÒùÔºics Jun 17, 2020

Âé¶¹ÒùÔºicists propose a novel approach to Bose-Einstein condensation

Bose-Einstein condensates are often described as the fifth state of matter: At extremely low temperatures, gas atoms behave like a single particle. The exact properties of these systems are notoriously difficult to study. ...

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