Unformatted text preview: as A ( t ) e iS cl / ¯ h . You need not compute A ( t ) explicitly, but you should write its form down on dimensionful grounds. 3. Sakurai, Chapter 3, Problem 2. Note that U = ( a + i~σ · ~a )( ai~σ · ~a )1 . 4. Sakurai, Chapter 3, Problem 4. 5. Sakurai, Chapter 3, Problem 6. 6. Sakurai, Chapter 3, Problem 8. 7. Sakurai, Chapter 3, Problem 14. 1...
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 Fall '09
 Everett
 Sakurai, position space propagator, path integral approach

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