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首页> 外文期刊>Nuclear Instruments & Methods in Physics Research. B, Beam Interactions with Materials and Atoms >On the angular and polarization distributions of the Mossbauer radiation |3/2~+ > → |1/2~+ > in single crystals
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On the angular and polarization distributions of the Mossbauer radiation |3/2~+ > → |1/2~+ > in single crystals

机译：关于单晶体中莫斯鲍尔辐射的角和偏振分布| 3/2〜+>→| 1/2〜+>

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摘要

Using the multipole radiation theory, the polarization and the angular distribution of the Mossbauer radiation available between |3/2~+ > → |1/2~+ > in the presence of the magnetic and electric fields are calculated, assuming asymmetry parameter non-zero. The determinant of coherency matrix, intensity and degree of polarization of each line for an arbitrary direction of propagation are zero, non-zero and unity, respectively. The determinant of coherency matrix and degree of polarization are isotropic whereas the intensity is anisotropic. The degeneracy of the energy states is completely lifted. The results are transformed from the principal axis system to the crystal fixed axis system using the D-matrix formalism. Certain symmetries have also been found. When the magnetic and the quadrupole interactions are equal and unequal in magnitudes some remarkable results are obtained.
机译：使用多极辐射理论，在不存在非对称参数的情况下，计算在存在磁场和电场的情况下| 3/2〜+>→| 1/2〜+>之间可用的Mossbauer辐射的极化和角分布。零。对于任意传播方向，相干矩阵，行的强度和极化度的行列式分别为零，非零和一。相干矩阵和偏振度的行列式是各向同性的，而强度是各向异性的。能量状态的简并性被完全消除。使用D-矩阵形式将结果从主轴系统转换为晶体固定轴系统。还发现了某些对称性。当磁相互作用和四极相互作用相等且幅度不相等时，可获得一些显着的结果。

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