Letters in Mathematical Physics

, Volume 10, Issue 2–3, pp 201–206 | Cite as

Franck-Condon effect and squeezed-state physics as double-source interference phenomena

  • John Archibald Wheeler


Double-source interference concepts are useful in describing-within the framework of quantum theory-the response of a vibrating system, such as a diatomic molecule or an electric circuit, to a sudden change in the parameters of the vibration. The initial vibration state, depicted as an occupied quasi-elliptic band in phase space, typically intersects the corresponding elliptic band for the final vibration state in two symmetrically located diamond-shaped zones. Interference between the two contributions modulates the ‘catenary curve’ pattern of transition probabilities in their dependence on the quantum number of the final state.


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  1. 1.
    WheelerJ. A. and ZurekW. H. (eds.), Quantum Theory and Measurement, Princeton University Press, Princeton, New Jersey, 1983.Google Scholar
  2. 2.
    FeynmanR. P., LeightonR. B., and SandsM., The Feynman Lectures on Physics, Addison-Wesley, Reading, Massachusetts, 1964, volume 3.Google Scholar
  3. 3.
    CondonE. U. and OdishawH. (eds.), Handbook of Physics, McGraw-Hill, New York, 2nd edn., 1967, section by E. U. Condon on electronic structure of molecules, pp. 7–110 and 7–111.Google Scholar
  4. 4.
    MeystreP. M. and ScullyM. O., Quantum Optics, Experimental Gravitation and Measurement, Plenum, New York, 1983, chapters by H. P. Yuen, pp. 249–268 and by C. M. Caves, pp. 567–626.Google Scholar

Copyright information

© D. Reidel Publishing Company 1985

Authors and Affiliations

  • John Archibald Wheeler
    • 1
  1. 1.Center for Theoretical PhysicsUniversity of TexasAustinUSA

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