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## Main Question or Discussion Point

How do I know if some given state is and eigenstate of some given operator?

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- Thread starter Kyle.Nemeth
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How do I know if some given state is and eigenstate of some given operator?

HAYAO

Gold Member

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This is an extremely broad question. Are you talking about experiments or theory?

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Nugatory

Mentor

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Yes, although it may be easier to assume that it is and then derive the result that the eigenvalue is zero.So, should I start with the eigenvalue equation and show that the given state is not an eigenvector of the operator (Again, I know the operator and the state in matrix form)?

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Thank you for the help Nugatory, much appreciated.

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