On Sun, Mar 17, 2013 at 2:50 PM, <[email protected]> wrote:
> BTW there is no potential barrier here. The proton and the electron carry > opposite charges, so they are attracted to one another, rather than > repelled. > I take it that when physicists refer to a "potential barrier," they mean specifically an electrostatic potential barrier, and not simply an energy threshold that must be overcome? Eric
