(a) Show that the action of the position operator in the momentum space is given by = ih Hint: Evaluate (pây) dp (b) Show that (pleFipo/h|v) = √(p±po). Thus, the position operator is the generator of translations in momentum space (c) If & and p are the position and momentum operators, and f(p) is a function of momentum variable p, [ƒ(p), â] = -iħd! (p) dp
(a) Show that the action of the position operator in the momentum space is given by = ih Hint: Evaluate (pây) dp (b) Show that (pleFipo/h|v) = √(p±po). Thus, the position operator is the generator of translations in momentum space (c) If & and p are the position and momentum operators, and f(p) is a function of momentum variable p, [ƒ(p), â] = -iħd! (p) dp
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