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Expectation value for a spin-half particle.

  • Thread starter hhhmortal
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  • #1
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Homework Statement



Calculate the expectation value of the operator [tex]_{}Sz[/tex] for a spin-half particle known to be in an eigenstate of the operator [tex]_{}Sz[/tex]

Homework Equations






The Attempt at a Solution



I know the eigenvalues for the [tex]_{}Sz[/tex] but how can I find the expectation values from this?
 

Answers and Replies

  • #2
gabbagabbahey
Homework Helper
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You might start with the definition of expectation value (in equation form)....:wink:
 

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