Where did Will 'O The Wisp Go?

Thread starter Leah
Start date Dec 3, 2005

Dec 3, 2005

Leah

I was looking to find my last thread, WOW, but could not find it. Nothing more has accumulated, just want to step in and say hello. Since, my leads on Dimentional Entities, and Will 'O The Wisp, I have only had dreams. So that calculation would be... DE = WOW. Bye!

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Dec 3, 2005

Math Is Hard

Staff Emeritus

Science Advisor

Gold Member

It's still there:
https://www.physicsforums.com/showthread.php?t=91747

Thread 'Commutation of operators for particle in a box'

I would like to know how to calculate the ##[\hat{H}, \hat{P}]## for a particle in a 1D box? At the first glance it seems that they commute but they don't get diagonalized in identical basis. How to calculate this commutation?

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Thread 'Energy*time uncertainty for particle decay'

If a particle decays into two gamma rays, what is the energy time uncertainty? ΔEΔt = h bar or ΔEΔt = h bar/2 Please explain.

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Thread 'Electron energy in atoms'

I don't know why the electrons in atoms are considered in the orbitals while they could be in sates which are superpositions of these orbitals? If electrons are in the superposition of these orbitals their energy expectation value is also constant, and the atom seems to be stable!

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