Arrays of trapped ions offer precise control over both internal quantum states and collective vibrational motion. Here, we demonstrate the manipulation of vibrational modes in ion arrays to drive the 1D linear–2D zigzag quantum structural phase transition. This system provides an intrinsic source of novel entangled states of ion crystal structures, which can be manipulated through trapped ion...
Using the exceptional controllability of an ultracold atoms platform, we explore novel approaches to quantum state preparation and transformation using radio- and microwave-frequency fields. As an introductory example of such state control, we explored a three-level subset of rubidium-87's ground states and created atomic "qutrits," demonstrating the capacity to create arbitrary states, and to...
Cold atoms in optical lattices can be used as quantum simulators to study the temporal evolution of quantum systems, which has lead to increasing interest in the out-of-equilibrium dynamics of bosons in optical lattices. Adding a second species of bosons introduces a wide range of novel quantum phases and provides a platform to explore analogues of spin systems. We study the Bose-Hubbard model...
