We introduce articles and talk about the most recent academic achievements in different fields.This week we have Xian-Zhi Huang（黄晛之）and Tian-Qi Cai（蔡天奇) introduce two papers to us. Please find the detailed information as follows.
Speaker: Xian-Zhi Huang（黄晛之）
Paper: One-second coherence for a single electron spin coupled to a multi-qubit nuclear-spin environment
Authors: M. H. Abobeih, J. Cramer, M. A. Bakker, N. Kalb, M. Markham, D. J. Twitchen, and T. H. Taminiau
Reference: arXiv:1801.01196 (2018).
Speaker: Tian-Qi Cai（蔡天奇）
Paper: A universal gate for fixed-frequency qubits via a tunable bus
Authors: David C. McKay, Stefan Filipp, Antonio Mezzacapo, Easwar Magesan, Jerry M. Chow, and Jay M. Gambetta
Reference: Phys. Rev. Applied 6, 064007 (2016).