Joseph W. Britton, Brian C. Sawyer, Adam C. Keith, C.-C. Joseph Wang, James K. Freericks, Hermann Uys, Michael J. Biercuk, John J. Bollinger. Engineered two-dimensional Ising interactions in a trapped-ion quantum simulator with hundreds of spins. Nature, 484(7395):489-492, 2012. [doi]
Abstract is missing.