论文标题

评论:“ Lorentz对称性破坏效果引起的Rashba耦合”。安。物理。 (柏林)\ textbf {526},187(2013)

Comment on: "Rashba coupling induced by Lorentz symmetry breaking effects". Ann. Phys. (Berlin) \textbf{526}, 187 (2013)

论文作者

Fernández, Francisco M.

论文摘要

我们分析了有关“出现像Rashba样耦合,类似Zeeman的术语以及由Lorentz对称性破坏效应引起的类似Darwin的术语的论文结果,这在Spin-1/2中性粒子与外部场相互作用的非相关量子动力学中引起了。我们表明,作者没有获得特征值方程的频谱,而是一个特征值,用于模型参数之间的特定关系。特别是,作者猜想的允许的回旋频率的存在仅仅是用于获得径向特征值方程的精确溶液的截断条件的伪像。

We analyze the results of a paper on "the arising of a Rashba-like coupling, a Zeeman-like term and a Darwin-like term induced by Lorentz symmetry breaking effects in the non-relativistic quantum dynamics of a spin-1/2 neutral particle interacting with external fields". We show that the authors did not obtain the spectrum of the eigenvalue equation but only one eigenvalue for a specific relationship between model parameters. In particular, the existence of allowed cyclotron frequencies conjectured by the authors is a mere artifact of the truncation condition used to obtain exact solutions to the radial eigenvalue equation.

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