Recent content by thelayman

Well it does has tough problems, butr it has solution manual too. Buy it, totally recomended

Is there a book that can help to understand LAPW (linearized augmeted plane wave method) method in an easy way? All books I checked are so complicated, I mean they don't explain very well, omiting steps.

There is a paper about invisibility which mentioned metamaterials. You said these materials have an index of refraction -1, Does this really mean that light goes backward when it reaches the metamaterial?. Is this really possible?? How could someone create a material with such properties??