Physical Review A
Comment on ‘‘Retardation in two-photon absorption’’
C. K. Au
Abstract
We comment on two points related to the recent Brief Report by Yang, Chan, and Lieber [Phys. Rev. A 39, 5422 (1989)].Received 1 June 1989DOI:https://doi.org/10.1103/PhysRevA.40.7402©1989 American Physical Society