Topological flat band may account for fractional quantum anomalous Hall effect recently observed in pentalayer moiré graphene ...

This is a depiction of the quantum Hall effect (left) and the quantum anomalous Hall effect (right). Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted ...

Quantum Hall is the quantum-level version of the Hall effect: a voltage produced as electrons flow through a magnetic field. In two-dimensional materials and at low temperatures the quantum ...

The quantum anomalous Hall effect, which similarly results in zero resistance, differs in that it only occurs at the edges ...

Physicists surprised to discover electrons in pentalayer graphene can exhibit fractional charge. New study suggests how this could work.

On November 3, the 12th Annual Tencent WE Summit took place at the Chengdu Science Fiction Museum. Five world-renowned ...