Wei, Wanchun
Xie, Zhuolin
Cooper, Leon N.
Maris, Humphrey J.
Funding for this research was provided by:
National Science Foundation (GR5260053)
Julian Schwinger Foundation (JSF-15-05-0000)
Article History
Received: 27 January 2016
Accepted: 15 March 2016
First Online: 1 April 2016