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Fermi–Pasta–Ulam Recurrence Interaction with Fluctuations of the Medium

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Journal of Russian Laser Research Aims and scope

Abstract

It is shown in numerical study that the simultaneous influence of discrete and continuous random processes on the Fermi–Pasta–Ulam (FPU) recurrence dynamics in chains of vibrators having both fixed and open ends leads to a widening of the FPU spectrum and to its permanent evolution. These phenomena are much more markedly manifested in the chain with open ends. Taking into account that the FPU recurrence takes place in distributed oscillatory systems one of which is a laser, the present research can be promising in developing multimode lasers exhibiting the recurrence phenomena.

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References

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Authors and Affiliations

  1. Institute of General Physics, Russian Academy of Sciences, Ul. Vavilova, 38, Moscow, 117942, Russia

    A. A. Berezin

  2. Institute of High Temperatures, Russian Academy of Sciences, Izhorskaya Ul. 13/19, Moscow, 127412, Russia

    A. R. Karimov

  3. P. N. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii Pr. 53, Moscow, 119991, Russia

    S. A. Reshetnyak & V. A. Shcheglov

Authors
  1. A. A. Berezin
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  2. A. R. Karimov
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  3. S. A. Reshetnyak
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  4. V. A. Shcheglov
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Berezin, A.A., Karimov, A.R., Reshetnyak, S.A. et al. Fermi–Pasta–Ulam Recurrence Interaction with Fluctuations of the Medium. Journal of Russian Laser Research 23, 381–393 (2002). https://doi.org/10.1023/A:1016346411761

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  • DOI: https://doi.org/10.1023/A:1016346411761

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