Question: In the main text we discussed the effect of T (dx) on the position and momentum eigenkets and on a more general state ket |

In the main text we discussed the effect of T (dx’) on the position and momentum eigenkets and on a more general state ket | α >. We can also study the behavior of expectation values < x > and < p > under infinitesimal translation. Using (1.6.25), (1.6.45), and | α >) → T(dx’) | α> only, prove → + dx’, (p) →

under infinitesimal translation.

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