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Type R PowR
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i dont know where to start

1/25/2008 3:42:20 PM

Aficionado
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what the hell are you trying to do?

1/25/2008 3:44:40 PM

Type R PowR
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trying to align my satellite.

1/25/2008 4:00:03 PM

Charybdisjim
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IT would help to show the whole equation. What you have there just looks like part of a differential equation for a wave function Psi in terms of R. Unless the left most "-" is really an "=."

In that case then that's an eigenvalue problem for the wave function of something in a magentic field where the bracketed term is the hamiltonian and E is the energy. Is that an "H" on the bottom as in magnetic field in the original maxwell's equations? Or, is it a misritten M? Or an h or h_bar?

I'm going to guess it's a poorly written "m" because then it looks like a the basic Hamiltonian for a hydrogen atom. It does look like you're missing a constant on the bottom of the potential though. 4*Pi*Epsilon_naught, unless this is just an "electron in a spherical potential" aka simplified hydrogen atom leaving out some of the constants. If that's the case you need to think about separating the equation (like any good multi-variable partial differential equation.) That gradient does suggest you're considering it in 3 dimensions, but the Psi looks only to be a function of R. It will help writing out the laplacian in spherical coordinates and getting rid of the d/dphi and d/dtheta terms. Remember not to drop things just because they have "theta" or "phi" in them though, since when (if) you integrate a wave function in polar coordinates you are still integrating it in 3 dimensions.

Oh yeah, if this is a hydrogen atom remember to use the reduced mass instead of just the particle mass. Assuming the way you wrote the equation (function of r only) is right, you won't have to worry about spherical harmonics. In general, that's not the case. Anyways, have fun.



[Edited on January 25, 2008 at 11:07 PM. Reason : ]

1/25/2008 10:45:52 PM

skokiaan
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http://en.wikipedia.org/wiki/Kepler's_laws_of_planetary_motion

1/25/2008 11:33:51 PM

Charybdisjim
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Haha, now that's just mean. You'll confuse the poor bastard.

1/25/2008 11:42:00 PM

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http://youtube.com/watch?v=-xEzGIuY7kw

watch that video and you'll see what i'm talking about.

maybe a few minutes into it, it will pop up.

1/26/2008 12:14:53 AM

Charybdisjim
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Sooo... you're not actually trying to solve it? You just saw it in a wierd al video?

1/26/2008 1:00:16 AM

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yup

1/26/2008 11:27:19 AM

skokiaan
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^^ pwnt

1/26/2008 4:18:58 PM

LS1powered
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soo easy

1/26/2008 10:55:32 PM

Walter
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1/26/2008 10:56:45 PM

afripino
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= E psi (r)

[Edited on January 26, 2008 at 11:13 PM. Reason : p is the semi-latus rectum....lol]

1/26/2008 11:12:04 PM

mathman
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ye old energy eigenstates.

1/26/2008 11:18:38 PM

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on the delta and the e

are those z's or 2?

1/26/2008 11:53:20 PM

mathman
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They are two's.

The (nabla)^2 = ( (partial/partial x)^2 + (partial/partial y)^2 + (partial/ partial z)^2 )
(well at least in Cartesian coordinates, generally it's kinda ugly)

The e^2 comes from the fact it is the potential energy between two charges of strength e. The charge of the electron verses the charge of the proton. Generally for Hydrogen-like atoms I think another factor Z appears to count the number of protons in the nucleus, but I'm kinda rusty on this stuff so feel free to correct me.

1/27/2008 8:57:36 PM

evan
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looks like you need a pro in the area of english language mechanics as well

2/4/2008 6:23:45 AM

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