Exciton Condensates in Electron-Hole Bilayers: A Guide

Researchers are achieving “perfect Coulomb drag” in dipolar excitonic insulators, a state of matter that allows for the frictionless transport of electrical charge. According to studies published in Science (2025) by Qi et al. and Nguyen et al., this phenomenon emerges from the interaction between electrons and holes in layered materials, potentially enabling a new … Read more