Entangled Three-Particle State Spin and Uncertainty Problem
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Question:
Consider the three-particle state:
[+==>—[-—+>
a) Is this an entangled state? Justify your answer.
b) Compute the expectation value of the z-component S. of the spin angular
momentum § = 40.
¢) Compute the uncertainty in S..
d) Similarly, compute the uncertainty in S,..
¢) Show that your results from parts (c) and (d) are consistent with the
uncertainty principle.
