A measurement of the magnitude of Sx for the spin 1/2 system produces an eigenvalue

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A measurement of the magnitude of Sx for the
spin 1/2 system produces an eigenvalue
I
FIN
2
which is then followed by a measurement of
Sx cos Ø+ Sy sin Ø
Determine the probability of finding the state
with the result
EIN
2
of the second measurement.
Transcribed Image Text:A measurement of the magnitude of Sx for the spin 1/2 system produces an eigenvalue I FIN 2 which is then followed by a measurement of Sx cos Ø+ Sy sin Ø Determine the probability of finding the state with the result EIN 2 of the second measurement.
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