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Given that the real space bosonic fields obey the commutation relation [V(ri), V (r2)] = 6(ri - 12). prove that the momentum space operators obey

Given that the real space bosonic fields obey the commutation relation [V(ri), V (r2)] = 6(ri - 12). prove that the momentum space operators obey the commutation relation [ak, ak] = Okk

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