Nondegenerate, Lamb-shift Solution of the Dirac Hydrogen Atom
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866908337747001344 |
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| author | Roberts, Nathan S. |
| author_facet | Roberts, Nathan S. |
| contents | When the Dirac equation was first published in 1928, three solutions appeared immediately within the same year, each describing the most important problem in physics at that time: the hydrogen atom. These solutions lifted some of the degeneracy from earlier atomic models, but not all of it--they still predicted the same degenerate energy levels for the 2s1/2 and 2p1/2 states, for example. In this paper, we introduce a new solution of the Dirac equation, which finally removes all degeneracy from the hydrogen atom. We work in terms of dimensionless quantities and use the Lamb shift to give each atomic state in our model a unique, nondegenerate energy level. We obtain radial eigenfunctions in terms of the Laguerre polynomials, demonstrate how they can be reduced to the Schrodinger wavefunctions by applying limits, and plot our results. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2504_18477 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Nondegenerate, Lamb-shift Solution of the Dirac Hydrogen Atom Roberts, Nathan S. Quantum Physics Atomic Physics When the Dirac equation was first published in 1928, three solutions appeared immediately within the same year, each describing the most important problem in physics at that time: the hydrogen atom. These solutions lifted some of the degeneracy from earlier atomic models, but not all of it--they still predicted the same degenerate energy levels for the 2s1/2 and 2p1/2 states, for example. In this paper, we introduce a new solution of the Dirac equation, which finally removes all degeneracy from the hydrogen atom. We work in terms of dimensionless quantities and use the Lamb shift to give each atomic state in our model a unique, nondegenerate energy level. We obtain radial eigenfunctions in terms of the Laguerre polynomials, demonstrate how they can be reduced to the Schrodinger wavefunctions by applying limits, and plot our results. |
| title | Nondegenerate, Lamb-shift Solution of the Dirac Hydrogen Atom |
| topic | Quantum Physics Atomic Physics |
| url | https://arxiv.org/abs/2504.18477 |