Is there a spontaneous $U(1)$ symmetry breaking in atomic BECs?
Posted by bananabas, at physics.stackexchange.com,
In the theory of Bose-Einstein condensation, one way to define the order parameter is by using the concept of spontaneous…
In the theory of Bose-Einstein condensation, one way to define the order parameter is by using the concept of spontaneous…
I am trying to linearize the following GP eq: \begin{equation} i\partial_{t}\psi(r,t)=\left[-\frac{\nabla^{2}}{2m}+g\left|\psi(r…