The Structure of Ground and Excited States of 12C | Zendy

Yoshiko Kanada-En’yo | Zendy

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The Structure of Ground and Excited States of 12C

Author(s) -

Yoshiko Kanada-En’yo

Publication year - 2007

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.117.655

Subject(s) - excited state , physics , ground state , cluster (spacecraft) , parity (physics) , coupled cluster , atomic physics , cluster state , quantum mechanics , molecule , quantum , qubit , computer science , programming language

We studied the ground and excited states of $^{12}$C based on variational calculations after spin-parity projection in a framework of antisymmetrized molecular dynamics(AMD). The calculations systematically reproduce various experimental data. It was found that the sub-shell closure and SU(3)-limit $3\alpha$ cluster components are contained in the ground state, while various $3\alpha$ cluster structures develop in the excited states. We discussed effects of $\alpha$ breaking and show the importance of coexistence of the cluster and shell-model-like aspects

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