# Vector Potential in Schrodinger eqn

1. Sep 29, 2004

### sinyud

How do you get the B field from the magnetic potential?
I tried converting the curl into matrix format, but the corresponding matrix can't be inverted.

Last edited: Sep 30, 2004
2. Sep 30, 2004

### Dr Transport

The vector potential is added to the Schrodinger equation by making the substitution
$$\vec{p} = \vec{p} - e/c\vec{A}$$.