# 3d box

1. Sep 7, 2005

### FUNKER

howdy all,
i need some answers if possible
suppose i have a particle mass m, confinded in a 3d box sides L,2L,2L
what would be the energy eigenvalues of this particle
i presumed it to be:

hcross*w*A
where hcross is h/2*pi
w is omega
and A is the 'amplitude' of the wavefunction.
can someone confirm this or tell what it may actually be
thanks
peace

2. Sep 8, 2005

### snooper007

Your answer is not correct, the correct answer should be.
$$\frac{h^2}{8m}(\frac{n_1^2}{L^2}+\frac{n_2^2}{4L^2}+\frac{n_3^2}{4L^2})$$,
$$n_1=1,2....., n_2, n_3$$ are the same.

Last edited: Sep 8, 2005
3. Sep 9, 2005

### FUNKER

hey thanks heaps for your help brother
peace

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