Author Affiliations

Miaochan Zhi,² Kai Wang,³ Hua Xia,¹ Alexandra Zhdanova,^*,1 Maria Shutova,¹ and Alexei Sokolov¹

¹Institute for Quantum Science and Engineering, Department of Physics and Astronomy, Texas A & M University, College Station, TX 77843-4242, USA

²Current Address: Biosystems and Biomaterials Division, National Institute of Standards and Technology, Gaithersburg, MD 20899-1070, USA

³Current Address: Department of Physics and JILA, University of Colorado, Boulder, Colorado 80309-0440, USA

^*Corresponding author: sashaa@physics.tamu.edu