DOI:https://doi.org/10.1103/PhysRevLett.116.229903
© 2016 American Physical Society
Pankaj K. Jha, Michael Mrejen, Jeongmin Kim, Chihhui Wu, Yuan Wang, Yuri V. Rostovtsev, and Xiang Zhang
Vol. 116, Iss. 22 — 3 June 2016
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