TY - GEN T1 - Switching between attractive and repulsive Coulomb-interaction-mediated drag in an ambipolar GaAs/AlGaAs bilayer device T2 - arXiv PY - 2015/11/27 AU - Zheng B AU - Croxall AF AU - Waldie J AU - Gupta KD AU - Sfigakis F AU - Farrer I AU - Beere HE AU - Ritchie DA ED - Y2 - 2024/09/20 ER -