Emission or Absorption of a Photon - Dipole Needed?

  1. If photons are emitted or absorbed when a pair or a collection of particles, that are or behave as dipoles, undergo oscillation by some driving force, are there any systems that do NOT use a single or collective dipole oscillation to emit or absorb a photon?
     
    Last edited: Dec 12, 2005
  2. jcsd
  3. no charge moving no photon as it seems to me.
     
  4. Meir Achuz

    Meir Achuz 2,058
    Science Advisor
    Homework Helper
    Gold Member

    All multipoles (other than monopole), quadrupole, octopole, etc.
    can emit and absorb photons.
     
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