Foundations of Physics 3B: For a nearly free electron solid what can you assume?

Question

For a nearly free electron solid what can you assume?

Rhianna Moore · Accepted Answer

Close to zero, electrons are free because far from the bragg condition (k+G)^2 = k^2 and because of 2nd order pertubation theory. This means E = (hbar k)^2/2m* and v_g = 1/hbar dE/dk

Foundations of Physics 3B

For a nearly free electron solid what can you assume?

Close to zero, electrons are free because far from the bragg condition (k+G)^2 = k^2 and because of 2nd order pertubation theory. This means E = (hbar k)^2/2m* and v_g = 1/hbar dE/dk

Author