For the coherent state of atoms in Section 21.4 , prove that starting from Eq. (21.29) and
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For the coherent state of atoms in Section 21.4 , prove that
starting from Eq. (21.29) and that \(J_{ \pm} \equiv J_{1} \pm i J_{2}\).
Data from Eq. 21.29
Data from Section 21.4
......
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