- #1
thin_ice
- 2
- 0
At a certain distance in vacuum there are proton and electron (they are at rest with resptect to their's CM). I wonder after what time will they collide?
Of course, we neglect the fact that when the distance between the particles become very small, there is not only an electrical force acting on them.
Is this just a two-body problem? Then, what is U(r) in
[tex]L=\mu \dot{\mathbf{r}}^2/2 - U(r)[/tex]
where [tex]\mu[/tex] is reduced mass?
Of course, we neglect the fact that when the distance between the particles become very small, there is not only an electrical force acting on them.
Is this just a two-body problem? Then, what is U(r) in
[tex]L=\mu \dot{\mathbf{r}}^2/2 - U(r)[/tex]
where [tex]\mu[/tex] is reduced mass?