Figure 3 (IMAGE) Tohoku University Caption Coulomb diamonds originating from the formation of quantum dots are observed by monitoring the reflected voltage from the resonator. Credit Tomoya Johmen et al. Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. License Original 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.