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arXiv 1505.01807math-phmath.MPquant-ph
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四元数Dirac散射

Quaternioninc Dirac Scattering

Stefano De Leo, Gisele Ducati, Sergio Giardino

摘要:

研究了Dirac粒子在四元数势阶跃下的散射。在势区中,得到附加扩散解。四元数的解决方案,推广了复杂的,提出了一个放大的反射率和透射率。对四元数旋量速度的详细分析使我们对附加解有了新的认识。对于纯四元数势,我们发现了有趣的和令人惊讶的全透射结果,这表明纯四元数势的存在不能通过分析反射率或透射率来观察。它是通过测量某些算子的平均值来观察到的。

英文摘要:

The scattering of a Dirac particle has been studied for a quaternionic potential step. In the potential region an additional diffusion solution is obtained. The quaternionic solution which generalizes the complex one presents an amplification of the reflection and transmission rates. A detailed analysis of the quaternionic spinorial velocities sheed new light on the additional solution. For pure quaternionic potentials, the interesting and surprising result of total transmission is found. This suggests that the presence of pure quaternionic potentials cannot be seen by analyzing the reflection or transmission rates. It has be observed by measuring the mean value of some operator.

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