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atmdw
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I am interested in learning the nature of the interaction between a photon and the atoms in a medium that has undergone population inversion that causes stimulated emission i.e. if an excited-state atom is perturbed by a photon (with an electric field of specific frequency), why does it emit an additional (amazingly) coherent photon? Specifically, what is the nature of the incident photon-excited state atom perturbation? If momentum transfer, how is momentum transferred without change to the incident photon?
Thanks
An ignorant chemist
Thanks
An ignorant chemist
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