## 抄録

In this paper, we consider the Nα cluster state as Bose-Einstein condensation and calculate the energy level for Nα nuclei from ^{12}C-^{52}Fe. We take the phenomenological model, and use the quantum field theoretical approach for finite system with spontaneous symmetry breaking. In our approach, the order parameter that is the density amplitude of Bose-Einstein condensation is introduced as the vacuum expectation value of the field operator. We non-perturbatively treat the zero mode operators, which accompany the spontaneous symmetry breaking and the order parameter, because their quantum fluctuations are large for finite system. Then the Hamiltonian for the zero mode operators gives a new type of energy levels with 0^{+} for Nα nuclei, which turn out to be robust for condensation rate and number of α clusters.

本文言語 | English |
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ホスト出版物のタイトル | Proceedings of the 4th International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2018 |

編集者 | Charles M. Folden, Vladilen Z. Goldberg, Grigory V. Rogachev, Marina Barbui |

出版社 | American Institute of Physics Inc. |

巻 | 2038 |

ISBN（電子版） | 9780735417649 |

DOI | |

出版ステータス | Published - 2018 11 13 |

イベント | 4th International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2018 - Galveston, United States 継続期間: 2018 5 13 → 2018 5 18 |

### Other

Other | 4th International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2018 |
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Country | United States |

City | Galveston |

Period | 18/5/13 → 18/5/18 |

## ASJC Scopus subject areas

- Physics and Astronomy(all)