About the Authors
- Rhonald C Lua, Alexander Y Grosberg
- Department of Physics, University of Minnesota, Minneapolis, Minnesota, United States of America
The authors have declared that no competing interests exist.
AYG formulated the problem. RCL and AYG designed the computations. RCL performed the actual programming and computations. RCL and AYG analyzed the data. RCL and AYG wrote the paper.