Search results for quantum anomalous hall

General Physics Dec 16, 2020

Quantum insulators create multilane highways for electrons

New energy-efficient electronic devices may be possible thanks to research that demonstrates the quantum anomalous Hall (QAH) effect—where an electrical current does not lose energy as it flows along the edges of the material—over ...

General Physics Nov 13, 2020

Dark matter candidate could display stringy effects in the lab

A hypothetical particle that could solve one of the biggest puzzles in cosmology just got a little less mysterious. A RIKEN physicist and two colleagues have revealed the mathematical underpinnings that could explain how ...

Nanomaterials Oct 15, 2020

Study examines spontaneous symmetry breaking in twisted double bilayer graphene

Over the past few years, a growing number of researchers worldwide has been conducting studies investigating the properties and features of so-called twisted van der Waals (vdW) materials. This unique class of materials could ...

General Physics Sep 21, 2020

Spin Hall effect in Weyl semimetal for energy-efficient information technology

The discovery of topological Weyl semimetals in 2017 has revealed opportunities to realize several extraordinary physical phenomena in condensed matter physics. Now, researchers at Chalmers University of Technology have demonstrated ...

Quantum Physics Sep 15, 2020

Reviewing the quantum anomalous Hall effect

A collaboration across three FLEET nodes has reviewed the fundamental theories underpinning the quantum anomalous Hall effect (QAHE).

Superconductivity Sep 14, 2020

The Hall effect links superconductivity and quantum criticality in a strange metal

Over the past few decades, researchers have identified a number of superconducting materials with atypical properties, known as unconventional superconductors. Many of these superconductors share the same anomalous charge ...

General Physics Sep 08, 2020

Kondo physics in antiferromagnetic Weyl semimetal films

Emerging quantum materials can be defined by topology and strong electron correlations, although their applications in experimental systems are relatively limited. Weyl semimetals incorporating magnetism offer a unique and ...

General Physics Sep 07, 2020

Vortex top hats emerge in superfluids

,An Australian-led study has provided new insight into the behavior of rotating superfluids.

General Physics Aug 17, 2020

New superlattice material for future energy efficient devices

A team of international physicists including Jennifer Cano, Ph.D., of Stony Brook University, has created a new material layered by two structures, forming a superlattice, that at a high temperature is a super-efficient insulator ...

Quantum Physics Aug 05, 2020

Manifestation of quantum distance in flat band materials

The geometry of an object indicates its shape or the relationship of its parts to each other. Did you know that the electrons in solids also have geometric structures? In quantum mechanics, an electron in solids takes the ...

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