TY - JOUR T1 - A quantum many-body spin system in an optical lattice clock JF - Science Y1 - 2013 A1 - M J Martin A1 - Bishof, M A1 - Swallows, M D A1 - X Zhang A1 - C Benko A1 - J von-Stecher A1 - Alexey V. Gorshkov A1 - Rey, A M A1 - Jun Ye VL - 341 U4 - 632 UR - http://www.sciencemag.org/content/341/6146/632.abstract ER -