97-247 Burenkov V.I., Evans W.D.
On the evaluation of the norm of an integral operator associated with the stability of one-electron atoms (27K, LATEX) Apr 29, 97
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Abstract. The norm of an integral operator occurring in the partial wave decomposition of an operator $B$ introduced by Brown and Ravenhall in a model for relativistic one-electron atoms is determined. The result implies that $B$ is non-negative and has no eigenvalue at $0$ when the nuclear charge does not exceed a specified critical value.

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