About the Authors

Filipe Tostevin

Affiliation Department of Mathematics, Imperial College London, London, United Kingdom

Pieter Rein ten Wolde

Affiliation FOM Institute for Atomic and Molecular Physics (AMOLF), Amsterdam, The Netherlands

Martin Howard

To whom correspondence should be addressed. E-mail: martin.howard@imperial.ac.uk

Affiliation Department of Mathematics, Imperial College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

FT and MH conceived and designed the experiments and performed the experiments. FT, PRtW, and MH analyzed the data and wrote the paper.