TY - JOUR T1 - Reply to Comment on "Space-Time Crystals of Trapped Ions Y1 - 2012 A1 - Tongcang Li A1 - Zhe-Xuan Gong A1 - Zhang-qi Yin A1 - H. T. Quan A1 - Xiaobo Yin A1 - Peng Zhang A1 - L. -M. Duan A1 - Xiang Zhang AB - This is a reply to the comment from Patrick Bruno (arXiv:1211.4792) on our paper (Phys. Rev. Lett. 109, 163001 (2012)). UR - http://arxiv.org/abs/1212.6959v2 U5 - http://dx.doi.org/10.1103/PhysRevLett.109.163001 ER -