About the Authors

Skanda Vivek

Affiliation Department of Physics, Emory University, Atlanta, Georgia, United States of America

Eric R. Weeks

erweeks@emory.edu

Affiliation Department of Physics, Emory University, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ERW SV. Performed the experiments: SV. Analyzed the data: SV. Contributed reagents/materials/analysis tools: ERW. Wrote the paper: SV ERW.