Kondo Cloud Detection Device (IMAGE) City University of Hong Kong Caption The device consists of a quantum dot coupled to a one dimension channel, in which three gates are embedded at distances of 1.4 μm, 3.6 μm and 6.1 μm from the quantum dot for creating barriers. Credit City University of Hong Kong / Nature Usage Restrictions The images can only be used with appropriate caption and credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.