Croxall, AF; Gupta, KD; Nicoll, CA; Thangaraj, M; Beere, HE; Farrer, I; Ritchie, DA; (2008) Anomalous Coulomb Drag in Electron-Hole Bilayers. PHYS REV LETT , 101 (24) , Article 246801. 10.1103/PhysRevLett.101.246801. Green open access