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arXiv 0810.0319nucl-th
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一个易处理的集体哈密顿量的谱性质

Spectral properties of a tractable collective Hamiltonian

S. De Baerdemacker, K. Heyde, V. Hellemans

摘要:

研究了易处理的集体模型哈密顿量的谱性质。的势能被截断四次项的四极形变变量,结合振动,$γ$独立的旋转和轴向变形的旋转结构。这些物理上重要的限制进行了详细分析,并面临着完善的近似方案。此外,过渡哈密顿之间的限制和讨论。所有结果都是在最近提出的基于Cartan-Weyl的框架内计算$SU(1,1)\times SO(5)$嵌入四极集体观测量得到的。

英文摘要:

The spectral properties of a tractable collective model Hamiltonian are studied. The potential energy is truncated up to quartic terms in the quadrupole deformation variables, incorporating vibrational, $γ$-independent rotational and axially deformed rotational structures. These physically significant limits are analysed in detail and confronted with well-established approximation schemes. Furthermore, transitional Hamiltonians in between the limits are presented and discussed. All results are obtained within a recently presented Cartan-Weyl based framework to calculate $SU(1,1)\times SO(5)$ embedded quadrupole collective observables.

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