Degenreate states

  • Thread starter anilrapire
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  • #1
anilrapire
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would someone mind explaining why, in general, degenerate (quantum) states are not orthogonal?
 

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  • #2
vanesch
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Degenerate states form a whole subspace. The linear superposition of two degenerate states is again a state with the same eigenvalue. So your question is equivalent to:
can someone explain me why all vectors aren't orthogonal ?

However, it is always possible to choose an orthogonal basis in this subspace, and those eigenvectors ARE orthogonal.

cheers,
Patrick.
 

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