Electronic Structure of Superheavy Atoms. Revisited

Details Electronic Structure of Superheavy Atoms. Revisited Electronic Structure of Superheavy Atoms. Revisited

2011-12-12

arxiv.org/abs/1112.2648v2

Physics

Mathematical Physics

4 pages 3 figures

Scientific paper

The electronic structure of an atom with Z <= 137 can be described by the Dirac equation with the Coulomb field of a point charge Ze. It was believed that the Dirac equation with Z > 137 is inconsistent and physically meaningless because the formula for the lower energy level of the Dirac Hamiltonian formally gives imaginary eigenvalues. But a strict mathematical consideration shows that difficulties with the electronic spectrum for Z > 137 do not arise if the Dirac Hamiltonian is correctly defined as a self-adjoint operator, see [1]. In this article, we brie y summarize the main physical results of that consideration in a form suitable for physicists with some additional new details and numerical calculations of the electronic spectra. [1] B.L. Voronov, D.M. Gitman, and I.V. Tyutin, Theor. Math. Phys. 150(1) (2007) 34

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