(adsbygoogle = window.adsbygoogle || []).push({}); The problem statement, all variables and given/known data

Given the following Hamiltonian:

And the observable:

Calculate the probability of measuring any of the possible values of A in the fundamental state.

The attempt at a solution

I have calculated the eigenvectors and eigenvalues of the Hamiltonian, being the eigenvalues {0,5,6}

So the fundamental state have a zero energy. Is this relevant? Or has the same procedure as if the fundamental state was non-zero?

Also, how can I relate A and H? I'm very lost in Matrix Mechanics...

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# Homework Help: Measure with a zero-energy fundamental state

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