Unique definition of the Zeeman-splitting g tensor of a Kramers doublet
Unique definition of the Zeeman-splitting g tensor of a Kramers doublet
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DOI：
10.1103/physrevlett.101.033003
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发表时间：
2008-07-18
影响因子：
8.6
通讯作者：
Bolvin, H.
中科院分区：
文献类型：
--
作者：
Chibotaru, L. F.;Ceulemans, A.;Bolvin, H.
在过去，人们普遍认为描述Kramers双重态塞曼分裂的g张量不是唯一定义的。在这里，我们表明，有两个基本要求，（i）的不变性，塞曼哈密顿量下的对称变换和（ii）其连续变化的系统（几何和晶体场）的参数的变化，一个唯一的确定的元素的g张量实现。
It has been widely accepted in the past that the g tensor describing the Zeeman splitting of a Kramers doublet is not uniquely defined. Here we show that with two basic requirements, (i) the invariance, of the Zeeman Hamiltonian under symmetry transformations and (ii) its continuous change with the variations of the parameters of the system (geometry and crystal field), a unique determination of the elements of the g tensor is achieved.