Recent content by Plez0r

Wow, those are some really complex formulas, i really wonder how they ever found them.. So, DFT was extended to Density-Functional Theory for Time-Dependent Systems in 1984. Now I'm sure i read somewhere that hydrogen was seen on the sun (not sure by who) before it was ever found on Earth...

*This isn't actually coursework but i was under the assumption that questions go to this forum* Homework Statement Hi, for while I've been under the impression that spectral lines of all the elements can be calculated. I did some research and found that there is a simple equation (Rydberg...