The translation operator for a finite (spatial) displacement is given by where p is the momentum operator.

Question:

a. Evaluate

b. Using (a) (or otherwise), demonstrate how the expectation value 4(x) changes undertranslation.

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Modern Quantum Mechanics

ISBN: 978-0201539295

Revised Edition

Authors: J.J Sakurai

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Question Posted: Apr 16, 2011 06:41 AM

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The translation operator for a finite (spatial) displacement is given by where p is the momentum operator.

Question:

-ip·1 F (1) = exp [x,,F ()].

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Modern Quantum Mechanics

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