Charge Density (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Changes of charge density, 'sloshes' from one side to the other within the nanoparticle. Image is charge density at time, with the ground state charge density subtracted. Credit Berkeley Lab Usage Restrictions None 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.