Abstract
It is shown that there exist magnetic fields of finite self energy for which the operator σ·(p−A) has a zero energy bound state. This has the consequence that single electron atoms, as treated recently by Fröhlich, Lieb, and Loss [1], collapse when the nuclear charge numberz≧9π2/8α2 (α is the fine structure constant).
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Communicated by A. Jaffe
Supported in part by the U.S. and Swiss NSF Cooperative Science Program No. INT-8503858.
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Loss, M., Yau, HT. Stability of coulomb systems with magnetic fields. Commun.Math. Phys. 104, 283–290 (1986). https://doi.org/10.1007/BF01211595
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DOI: https://doi.org/10.1007/BF01211595