Effective field theory of Bose-Einstein condensation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>α</mml:mi></mml:math>clusters and Nambu-Goldstone-Higgs states in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">C</mml:mi><mml:mprescripts/><mml:none/><mml:mn>12</mml:mn></mml:mmultiscripts></mml:math>

DOI Web Site Web Site 被引用文献7件 参考文献64件

書誌事項

公開日
2016-07-19
資源種別
journal article
権利情報
  • http://link.aps.org/licenses/aps-default-license
DOI
  • 10.1103/physrevc.94.014314
公開者
American Physical Society (APS)

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説明

An effective field theory of $\alpha$ cluster condensation is formulated as a spontaneously broken symmetry in quantum field theory to understand the raison d'etre and nature of the Hoyle and $\alpha$ cluster states in $^{12}$C. The Nambu--Goldstone and Higgs mode operators in infinite systems are replaced with a pair of canonical operators whose Hamiltonian gives rise to discrete energy states in addition to the Bogoliubov--de Gennes excited states. The calculations reproduce well the experimental spectrum of the $\alpha$ cluster states. The existence of the Nambu--Goldstone--Higgs states is demonstrated and crucial. The $\gamma$ decay transitions are also obtained.

Comment: 8 pages, 8 figures

収録刊行物

  • Physical Review C

    Physical Review C 94 (1), 014314-, 2016-07-19

    American Physical Society (APS)

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