Recent content by TheWye

well, I suppose the pictorial representation of the graph should be something like this. The green dots are the projection of the cup after it is released by the runner and x is that distance we want to find. And I think the runner does not actually throw the cup, but just releases it and let...

Hi, I just learned this concept of fermi sphere a few months ago as well. What I understand from the term "fermi termperature" is that it is just another way of expressing the fermi energy. It is a purely fictional concept and it just borrows the term "temperature" because it has a linear...

Just imagine that you want to fill up little boxes into a huge ball. The ball has a radius of kF while the little boxes has the sides (width, height and depth) of length equals to the periodic boundary. So the boxes will have a total volume of (periodic boundary length)^3 while the sphere will...