Nocturna23
Mar23-11, 06:23 AM
1. The problem statement, all variables and given/known data[/b
Hello everyoneee!!! I have to prove that the group velocity of the electron for k=n*π/a is zero.
[b]2. Relevant equations
u=1/h* θΕ/θκ
[b]3. The attempt at a solution[/
Thanks a lot!!!
Hello everyoneee!!! I have to prove that the group velocity of the electron for k=n*π/a is zero.
[b]2. Relevant equations
u=1/h* θΕ/θκ
[b]3. The attempt at a solution[/
Thanks a lot!!!