1. Department of Applied Mathematics Illinois Institute of Technology Chicago 60616 IL USA
2. School of Science Nanjing University of Science and Technology Nanjing 210094 China
3. Institute of Molecular Engineering University of Chicago Chicago 60637 IL USA
4. Department of Chemical and Biological Engineering Illinois Institute of Technology Chicago 60616 IL USA
5. Center for Molecular Study of Condensed Soft Matter Illinois Institute of Technology Chicago 60616 IL USA
6. Department of Physics Illinois Institute of Technology Chicago 60616 IL USA