Show that (4.2.13) is equal to (4.2.14) by substituting into (4.2.14) the definitions of a k and
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Show that (4.2.13) is equal to (4.2.14) by substituting into (4.2.14) the definitions of ak and a†k. You will need to use the definitions of xk and pk in terms of xn and pn, and the relation [xn, pn′ ] = ih̄δn,n′.
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= Σ (atak + 2 ) ha hok, k H = (4.2.14)
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and From Eq 414 and Eq 423 we have Mwk k Pk 1 N 1 V...View the full answer
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