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Influence of the Asynchronous Multibeam Irradiation of a Spherical Fusion Target by Megajoule Laser Beams on the Efficiency of Thermonuclear Burning

  • Statistical, Nonlinear, and Soft Matter Physics
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Abstract

We have studied the dependence of the compression and burning of a spherical direct-drive fusion target on the nonuniformity of its heating caused by the asynchronous arrival of laser beams under conditions of irradiation by a modern laser system with a total energy of 2 MJ intended for the fuel ignition and fusion energy evolution equal to the absorbed laser energy. The investigation is performed by numerical simulation based on 2D hydrodynamic codes. It is established that the limiting permissible spread of the moments of laser pulse action on the target for ignition significantly exceeds the level that can be ensured using modern methods of controlled temporal synchronization of laser beams.

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Authors and Affiliations

  1. All-Russia Research Institute of Experimental Physics, Russian Federal Nuclear Center, Sarov, Nizhny Novgorod oblast, 607190, Russia

    S. A. Bel’kov, S. V. Bondarenko & S. G. Garanin

  2. P.N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991, Russia

    G. A. Vergunova, S. Yu. Gus’kov, N. N. Demchenko, I. Ya. Doskoch, P. A. Kuchugov, V. B. Rozanov, R. V. Stepanov & R. A. Yakhin

  3. Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Moscow, 125047, Russia

    P. A. Kuchugov & N. V. Zmitrenko

Authors
  1. S. A. Bel’kov
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  2. S. V. Bondarenko
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  3. G. A. Vergunova
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  4. S. G. Garanin
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  5. S. Yu. Gus’kov
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  6. N. N. Demchenko
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  7. I. Ya. Doskoch
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  8. P. A. Kuchugov
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  9. N. V. Zmitrenko
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  10. V. B. Rozanov
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  11. R. V. Stepanov
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  12. R. A. Yakhin
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Corresponding author

Correspondence to R. A. Yakhin.

Additional information

Original Russian Text © S.A. Bel’kov, S.V. Bondarenko, G.A. Vergunova, S.G. Garanin, S.Yu. Gus’kov, N.N. Demchenko, I.Ya. Doskoch, P.A. Kuchugov, N.V. Zmitrenko, V.B. Rozanov, R.V. Stepanov, R.A. Yakhin, 2018, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2018, Vol. 154, No. 3, pp. 629–640.

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Bel’kov, S.A., Bondarenko, S.V., Vergunova, G.A. et al. Influence of the Asynchronous Multibeam Irradiation of a Spherical Fusion Target by Megajoule Laser Beams on the Efficiency of Thermonuclear Burning. J. Exp. Theor. Phys. 127, 539–548 (2018). https://doi.org/10.1134/S1063776118080137

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  • DOI: https://doi.org/10.1134/S1063776118080137

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