Rybicki & Lightman (Revised Edition), Chapter 01, Problem 07 Posted on October 16, 2018July 2, 2020 by polaris Rybicki & Lightman, Revised Edition Chapter 1. Fundamentals of Radiative Transfer Problem 07. The Einstein coefficients Solution Acknowledgment Thank you, Mateus, for asking this question. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)