Physics, 20.02.2020 03:01 johara

If A and B are two Hermitian operators, showthat AB and BA may

not be Hermitian, but that (AB + BA) andi(AB-BA) are both

hermitian. Prove that the expectation value ofA2 is

always real and non-negative. If A2=2,find the

eigenvalues of A.

Answers: 1

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If A and B are two Hermitian operators, showthat AB and BA may

not be Hermitian, but tha...