Sine–Gordon-type Quantum Phase Transition (IMAGE) University of Innsbruck Caption For strong interactions the particles are already structured (front) and a weak optical lattice is sufficient for immediate pinning of the atoms (back). Credit Uni Innsbruck 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.