Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.
1D Schrodinger equation
Posted 2013年11月20日 GMT-5 05:59 Studies & Solvers Version 4.3b, Version 5.1 2 Replies
Please login with a confirmed email address before reporting spam
I want to solve radial Schrodinger equation for Hydrogen atom in comsol. So I use 1D axisymmetric coefficient form PDE and solve for eigenvalues with boundary conditions as u =0for r----> 0 and Infinity. I cannot get the degeneracy of energy states as in 2D H atom example.
I have attached my model here. Could anyone please tell me what am I doing wrong here ?
Attachments:
Hello Ind Atan
Your Discussion has gone 30 days without a reply. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for help.
If you do not hold an on-subscription license, you may find an answer in another Discussion or in the Knowledge Base.
Please login with a confirmed email address before reporting spam
Please login with a confirmed email address before reporting spam
Hi,buddy! Do u solve this problem now?
Here is attached modified example from the OP's post. One needs to create denser mesh (user defined) and extend Dirichlet boundary condition to larger r for f->0 when r->\infty. When one does it, then it looks like you get properly degenerate eigenvalues as it should be for the hydrogen atom.
Hope that helps.
Jacek
Attachments: