In a previous paper [Opt. Lett. 37, 2787–2789 (2012)], several typos have been found. Results of the paper remain unchanged.
© 2012 Optical Society of America
The following typos have been found in .
- * Points with zero scattering force are also given by Eq. (14), and being semi-integer numbers.
1. M. I. Marqués and J. J. Sáenz, Opt. Lett. 37, 2787–2789 (2012). [CrossRef]