For your purpose, I think QE + Yambo will help you a lot~
-- GAO Zhe CMC Lab, Materials Science & Engineering Department, Seoul National University, South Korea At 2012-08-05 19:38:46,"Sohail Ahmad" <sohailphysics at yahoo.co.in> wrote: | Dear All I am using QE 4.2.1 I would like to know that can we use QE to calculate optical properties.....dielectric function,energy loss function,absorption and reflectance spectra Sohail KKU Saudi Arabia | -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.democritos.it/pipermail/pw_forum/attachments/20120805/480448b2/attachment.htm