Recent content by Apolo

I don't understand the concept for polar and non-polar semiconductors, generally speaking about propagation of existence of phonons (acustic or optics). Thanks. I don't find any thread about this concepts.

I think that Gasiorowicz are very similar to Zettili, So both books are good choices.

Modern Quantum Mechanics_J.J Sakurai for grads & Quantum Physics_Stephen Gasiorowicz for undergrad Good luck