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Express the coordinate operator, , in terms of bosonic creation and annihilation operators, a + and a_. Using the action of the normalized bosonic operators

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Express the coordinate operator, , in terms of bosonic creation and annihilation operators, a + and a_. Using the action of the normalized bosonic operators (see the lecture presentations) compute: a) (n|Ax4|n) b) (n + 1|x|n)

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