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Unformatted text preview: z basis states: | + x = a | + + b |- where a and b are in general complex. Then we see that + | + x = a and we require | a | 2 = 1 2 to agree with the experiment. so we nd a = 1 2 e i . We will choose (by convention) = 0 so a = 1 2 . Similarly for b . So we nd that | + x = 1 2 ( | + + |- ) 1...
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This note was uploaded on 03/01/2010 for the course PHYSICS 225 taught by Professor Rothberg during the Spring '10 term at University of Washington.
- Spring '10