Physical Review Letters
Comment on “Spatial Symmetry and Conservation of Orbital Angular Momentum in Spontaneous Parametric Down-Conversion”
Geraldo A. Barbosa
Abstract
A Comment on the Letter by Sheng Feng and Prem Kumar, [Phys. Rev. Lett. 101, 163602 (2008)]. The authors of the Letter offer a Reply.Received 18 May 2009DOI:https://doi.org/10.1103/PhysRevLett.103.149303©2009 American Physical Society