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Unformatted text preview: corresponds to measuring . Using (8.17 ) we find that (8.18 ) Qn Why is it 0? Sinilarly, using and (8.19 ) we find (8.20 ) More challenging are the expectation values of and . Let me look at the first one first: (8.21 ) Now for , (8.22 ) Thus, (8.23 ) This is actually a form of the uncertainity relation, and shows that (8.24 )...
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This note was uploaded on 11/09/2011 for the course PHY PHY2053 taught by Professor Davidjudd during the Fall '10 term at Broward College.
 Fall '10
 DavidJudd
 Physics

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