Superradiance: Theories Versus Experiments

  • S. Haroche
Conference paper


Superradiance has been in the past years subject to renewed interest due to the development of experiments demonstrating the effect in the far-[1] and near-infrared[2, 3, 4] ranges of the spectrum. Theoretical interpretation of these experiments raises serious questions because two kind of superradiah ce theories with different predictions do exist:
  1. (i)

    Semi-classical theories [5], describing classically the electromagnetic field via Maxwell equation and simulating spontaneous emission in a phenomenological way by a “noise” term in the equations.

  2. (ii)

    Quantum-mechanical theories [6] describing in a fully quantum mechanical picture the “atoms + field system” and thus dealing more satisfactorily with spontaneous emission.



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Copyright information

© Springer Science+Business Media New York 1978

Authors and Affiliations

  • S. Haroche
    • 1
  1. 1.l’Ecole Normale SupérieureParisFrance

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