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The 5α condensate state in 20Ne

Author

Listed:
  • Bo Zhou

    (Fudan University
    NSFC and Fudan University)

  • Yasuro Funaki

    (Kanto Gakuin University)

  • Hisashi Horiuchi

    (Osaka University)

  • Yu-Gang Ma

    (Fudan University
    NSFC and Fudan University)

  • Gerd Röpke

    (Universität Rostock)

  • Peter Schuck

    (Université Paris-Sud, IN2P3-CNRS, UMR 8608)

  • Akihiro Tohsaki

    (Osaka University)

  • Taiichi Yamada

    (Kanto Gakuin University)

Abstract

The formed 4He (α) clusters consisting of two neutrons and two protons can be a building block in light nuclear systems. Intriguingly, these alpha clusters could potentially form alpha condensate states within the nuclear system. The Hoyle state at 7.65 MeV in 12C, which plays an essential role in stellar nucleosynthesis, is now considered to be a phase transition, namely the 3α Bose-Einstein condensate. Confirming the existence of Hoyle-analog states in Nα nuclei (N > 3) remains a major challenge. Here we show microscopic five-body calculations for the 20Ne nucleus. We find that one excited 0+ state has a distinct gas-like characteristic and represents the condensate state. Identifying the 5α condensate state is an important step in establishing the concept of α condensation in nuclear fermion systems.

Suggested Citation

  • Bo Zhou & Yasuro Funaki & Hisashi Horiuchi & Yu-Gang Ma & Gerd Röpke & Peter Schuck & Akihiro Tohsaki & Taiichi Yamada, 2023. "The 5α condensate state in 20Ne," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43816-9
    DOI: 10.1038/s41467-023-43816-9
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    References listed on IDEAS

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    1. Sabrina Huth & Peter T. H. Pang & Ingo Tews & Tim Dietrich & Arnaud Fèvre & Achim Schwenk & Wolfgang Trautmann & Kshitij Agarwal & Mattia Bulla & Michael W. Coughlin & Chris Broeck, 2022. "Constraining neutron-star matter with microscopic and macroscopic collisions," Nature, Nature, vol. 606(7913), pages 276-280, June.
    2. Christian H. Schunck & Yong-il Shin & André Schirotzek & Wolfgang Ketterle, 2008. "Determination of the fermion pair size in a resonantly interacting superfluid," Nature, Nature, vol. 454(7205), pages 739-743, August.
    3. Shilun Jin & Luke F. Roberts & Sam M. Austin & Hendrik Schatz, 2020. "Enhanced triple-α reaction reduces proton-rich nucleosynthesis in supernovae," Nature, Nature, vol. 588(7836), pages 57-60, December.
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