Nature Photon. 7, 123–127 (2013); published online 20 January 2013; corrected after print 6 February 2013.

In this version of this Letter originally published, the surname of the first author of ref. 26 should have been “Zhang” and the reference should have read: 26. Zhang, L. & Marston, P. L. Geometrical interpretation of negative radiation forces of acoustical Bessel beams on spheres. Phys. Rev. E 84, 035601 (2011). This has now been corrected in the HTML and PDF versions of the Letter.