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Stable Deuterium-Tritium plasmas with improved confinement in the presence of energetic-ion instabilities

Author

Listed:
  • Jeronimo Garcia

    (IRFM)

  • Yevgen Kazakov

    (TEC Partner)

  • Rui Coelho

    (Universidade de Lisboa)

  • Mykola Dreval

    (National Science Center Kharkiv Institute of Physics and Technology)

  • Elena de la Luna

    (CIEMAT)

  • Emilia R. Solano

    (CIEMAT)

  • Žiga Štancar

    (Culham Campus)

  • Jacobo Varela

    (Universidad Carlos III de Madrid
    University of Texas at Austin)

  • Matteo Baruzzo

    (via E. Fermi 45)

  • Emily Belli

    (PO Box 85608)

  • Phillip J. Bonofiglo

    (Princeton Plasma Physics Laboratory)

  • Jeff Candy

    (PO Box 85608)

  • Costanza F. Maggi

    (Culham Campus)

  • Joelle Mailloux

    (Culham Campus)

  • Samuele Mazzi

    (IRFM)

  • Jef Ongena

    (TEC Partner)

  • Juan R. Ruiz

    (University of Oxford)

  • Michal Poradzinski

    (Culham Campus)

  • Sergei Sharapov

    (Culham Campus)

  • David Zarzoso

    (M2P2)

Abstract

Providing stable and clean energy sources is a necessity for the increasing demands of humanity. Energy produced by Deuterium (D) and Tritium (T) fusion reactions, in particular in tokamaks, is a promising path towards that goal. However, there is little experience with plasmas formed by D-T mixtures, since most of the experiments are currently performed in pure D. After more than 20 years, the Joint European Torus (JET) has carried out new D-T experiments with the aim of exploring some of the unique characteristics expected in future fusion reactors, such as the presence of highly energetic ions in low plasma rotation conditions. A new stable, high confinement and impurity-free D-T regime, with reduction of energy losses with respect to D, has been found. Multiscale physics mechanisms critically determine the thermal confinement. These crucial achievements importantly contribute to the establishment of fusion energy generation as an alternative to fossil fuels.

Suggested Citation

  • Jeronimo Garcia & Yevgen Kazakov & Rui Coelho & Mykola Dreval & Elena de la Luna & Emilia R. Solano & Žiga Štancar & Jacobo Varela & Matteo Baruzzo & Emily Belli & Phillip J. Bonofiglo & Jeff Candy & , 2024. "Stable Deuterium-Tritium plasmas with improved confinement in the presence of energetic-ion instabilities," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-52182-z
    DOI: 10.1038/s41467-024-52182-z
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    References listed on IDEAS

    as
    1. H. Han & S. J. Park & C. Sung & J. Kang & Y. H. Lee & J. Chung & T. S. Hahm & B. Kim & J.-K. Park & J. G. Bak & M. S. Cha & G. J. Choi & M. J. Choi & J. Gwak & S. H. Hahn & J. Jang & K. C. Lee & J. H., 2022. "A sustained high-temperature fusion plasma regime facilitated by fast ions," Nature, Nature, vol. 609(7926), pages 269-275, September.
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