TY - JOUR AU - Martin Garttner AU - Justin Bohnet AU - Arghavan Safavi-Naini AU - Michael Wall AU - John Bollinger AU - Ana Rey C2 - Nature Physics DA - 2017-05-22 00:05:00 LA - en PB - Nature Physics PY - 2017 TI - Measuring out-of-time-order correlations and multiple quantum spectra in a trapped-ion quantum magnet UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=926600 ER -