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从Bohr哈密顿出发,通过引入一个有效势,得到了一个适用于γ不稳定核的新公式.将此公式与标准γ不稳定核的yrast带比较,相对误差不超过百分之五. 相似文献
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首次交有效玻色子数与费米子动力学对称模型(FDSM)的“有效”价核子对数,即正常宇称轨道上的价核子对数相对应.提出了一种计算过渡区——轻稀土区核的“有效”价核子对数亦即有效玻色子数的新方法. 相似文献
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We study the properties of exciton excitations in the Hubbard model with alternating potential and dimerized hopping terms at half filling. With increasing Coulomb repulsive, we find that a spin triplet exciton band develops below the band gap. At certain critical interaction, the excitation gap of this exciton band vanishes and a new phase with a dimerized ground state emerges. The value of this critical Coulomb interaction is determined perturbatively. 相似文献
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