I got this far in the 'short-short' homepage › Forums › I got this far in the ‘short-short’ pdf : › I got this far in the 'short-short' This topic has 0 replies, 1 voice, and was last updated 5 years, 7 months ago by Qiming Sun. Viewing 1 post (of 1 total) Author Posts May 8, 2018 at 1:41 am #1634 Score: 0 Qiming SunParticipant Page 20, the last sentence of the paragraph under the picture: The doublets, however, are linear combinations of the different levels but the EPR selection rule |Δms| = 1 still applies. I don’t get it what they mean by ‘linear combinations’. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In