Re: electron



Bjoern Feuerbacher wrote: 
patrick wrote:

No. Im not thinking of the Bohr model at all.
If you do a measurement of the electrons position in the Hydrogen atom it is found where it is predicted to be using the Schrodinger equation.
A lot of the time you find it at the Bohr radius ,sometimes near nucleus.

So Im wondering when a measurement is not done is the electron spinning around in some unknown classical orbit.


Where would the force necessary for such an orbit come from? In a Coulomb potential, the only possible *classical* bound orbits are ellipses. And there is lots of evidence that the electrons do *not* move on ellipses.


Such as?
What are the assumptions?
This would not contravene anything directly in QM as far as I can see.


Are you aware that a movement on an orbit would involve accelerations?
(hint: acceleration means change in velocity; hence if the speed stays the same, but the direction of movement changes, that's also an acceleration.

So are you saying the electron doesn't move?
Are you also aware that accelerated charged particles give off electromagnetic radiation?

So accelerating an electron proves it wasn't
already accelerating?
Are you also aware that if the electron gave off electromagnetic radiation when it is in the ground state,
1) this would have been observed
2) it would lose energy all the time and hence the ground state would not be stable?

Perhaps this energy is drawn in as gravity and replaced?
Whether this would be consistent with hydogen spectra and so on Im not sure.
Probably is. 


It isn't.


[snip]

Bye,
Bjoern

Are you saying an electron doesn't move?
Or are you saying it just *appears*
here and there?
)Please, God, don't let it be #2!(

John

.

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