Deformation effects in toroidal and compression dipole excitations of 170Yb: Skyrme RPA analysis
Deformation effects in toroidal and compression dipole excitations of 170Yb: Skyrme RPA analysis
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170Yb 环形和压缩偶极子激发的变形效应:Skyrme RPA 分析
DOI:
10.1088/0031-8949/89/5/054023
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发表时间:
2014
期刊:
影响因子:
2.9
通讯作者:
P.-G. Reinhard
中科院分区:
文献类型:
--
作者:
J. Kvasil;V.O. Nesterenko;W. Kleinig;P.-G. Reinhard
The effect of nuclear deformation on the isoscalar toroidal and compression dipole modes in prolateYb is studied in the framework of the random-phase-approximation method with a representative set of Skyrme forces (SV-bas, SLy6, SkMand SkI3). It is shown that the deformation crucially redistributes the strength of both modes. The compression mode has the same sequence of=0 and 1 branches as the isovector giant dipole resonance where for prolate nuclei themode is lower in energy (being the projection of the axial momentum of the mode). Instead, the toroidal mode exhibits an anomalous (opposite) sequence where the=1 branch precedes the=0 one.
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影响因子:
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作者:
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DOI:
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发表时间:
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期刊:
International Journal of Modern Physics E-nuclear Physics
影响因子:
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作者:
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通讯作者:
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DOI:
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发表时间:
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期刊:
Journal of Physics G
影响因子:
--
作者:
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通讯作者:
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