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arXiv 0908.2205quant-ph
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方势阱和盒子中的狄拉克粒子

Dirac particle in a square well and in a box

A. D. Alhaidari

摘要:

我们得到了一个精确的解决方案的一维狄拉克方程的深度大于粒子的质量的两倍的方阱势。在克莱因区的能谱公式是令人惊讶的非常简单和独立的井的深度。这意味着相同的解对于势箱(无限深的阱)也是有效的。在非相对论极限下,得到了盒子中粒子的能谱。我们还提供了表格形式的元素的完整的解决方案空间的所有能源的问题。

英文摘要:

We obtain an exact solution of the 1D Dirac equation for a square well potential of depth greater then twice the particle's mass. The energy spectrum formula in the Klein zone is surprisingly very simple and independent of the depth of the well. This implies that the same solution is also valid for the potential box (infinitely deep well). In the nonrelativistic limit, the well-known energy spectrum of a particle in a box is obtained. We also provide in tabular form the elements of the complete solution space of the problem for all energies.

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