Special conditions of a wavefunction?

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SUMMARY

A wavefunction that depends on multiple coordinates can be expressed as a product of single-coordinate wavefunctions under specific conditions. This occurs when the Hamiltonian is the sum of single-particle operators, allowing the product wavefunction to satisfy the Schrödinger equation. In this scenario, the total energy of the system is the sum of the individual particle energies. This conclusion is critical for understanding the separability of wavefunctions in quantum mechanics.

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MontavonM
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Under what special conditions can a wavefunction that depends on a series of coordinates be written as a product of wavefunctions that only depend on one coordinate each? What can you say about the energy in this case? (This is a study/end of the chapter question (P.Chem))... I'm thinking it's when the product wavefunction's operators commute with each other, which would make the energy zero... I'm just wanting to check. Thanks in advance
 
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MontavonM said:
... I'm just wanting to check. Thanks in advance

no, that is not correct
 
any pointers/help you could give me?
 
I think the question is worded very poorly, but probably they are looking for some statement about the Hamiltonian since they also ask about energy. For example, if the hamiltonian is the sum of single-particle operators (operators only depending on a single coordinate and momentum) then a product wavefunction can still satisfy the Schrödinger equation and the total energy is the sum of the single particle energies...
 
Thank you for the help!
 

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