Search results for quantum anomalous hall

General Physics Sep 8, 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 7, 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 5, 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 ...

General Physics Jul 31, 2020

When Dirac meets frustrated magnetism

The fields of condensed matter physics and materials science are intimately linked because new physics is often discovered in materials with special arrangements of atoms. Crystals, which have repeating units of atoms in ...

Nanomaterials Jul 29, 2020

Using protons to tune interlayer forces in van der Waals materials

A Chinese-Australian collaboration has demonstrated for the first time that interlayer coupling in a van der Waals (vdW) material can be largely modulated by a protonic gate, which inject protons to devices from an ionic ...

Quantum Physics 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.

General Physics Jun 8, 2020

Researchers develop ultra-sensitive device for detecting magnetic fields

A team of Brown University physicists has developed a new type of compact, ultra-sensitive magnetometer. The new device could be useful in a variety of applications involving weak magnetic fields, the researchers say.

Quantum Physics Jun 2, 2020

Discoveries of high-Chern-number and high-temperature Chern insulator states

The Quantum Hall effect (QHE) is one of the most important discoveries in physical sciences. Due to the one-dimensional (1-D) dissipationless edge states, QHE exhibits exotic transport properties with quantized Hall resistance ...

Quantum Physics Feb 13, 2020

Quantum anomalous Hall effect in intrinsic magnetic topological insulator

Nontrivial band topology can combine with magnetic order in a magnetic topological insulator to produce exotic states of matter such as quantum anomalous Hall (QAH) insulators and axion insulators. An aim of condensed matter ...

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