Duke Physics

Publications [#304601] of Berndt Mueller

Papers Published

1. Ionescu, DC; Reinhardt, J; Müller, B; Greiner, W; Soff, G, Nonlinear extensions of the Dirac equation and their implications in QED, Physical Review A, vol. 38 no. 2 (January, 1988), pp. 616-620, American Physical Society (APS) [doi] .

   Abstract:
   We investigate the influence of additional nonlinear terms in the Dirac Lagrangian on strongly bound electron states in heavy and superheavy atoms. Upper bounds for the coupling constants are deduced by comparison with precision spectroscopy data in QED. We demonstrate that nonlinear interactions may cause significant modifications of electron binding energies in superheavy quasiatomic systems which would not be visible in ordinary atomic-physics measurements. © 1988 The American Physical Society.

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