Coupled Quantum Dots Fabricated by Cleaved Edge Overgrowth: From Artificial Atoms to Molecules Schedelbeck, Gert ; Wegscheider, Werner ; Bichler, Max ; Abstreiter, Gerhard Abstract Publication: Science Pub Date: December 1997 DOI: 10.1126/science.278.5344.1792 Bibcode: 1997Sci...278.1792S