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Article Dans Une Revue Journal of Physics B: Atomic, Molecular and Optical Physics Année : 2010

Finite basis set approach to the two-centre Dirac problem in Cassini coordinates

Résumé

We lay out a new approach to solving the two–center Dirac eigenvalue problem. It is based on application of B–spline basis sets constructed in Cassini coordinates. The approach provides a very promising way for the theoretical description of various atomic processes such as charge transfer, excitation, ionization and electron–positron pair production, that accompany slow collisions of heavy ions. Moreover, yielding a (quasi) complete set of eigensolutions, the finite–basis–set method allows a systematic analysis of the quantum electrodynamics (QED) corrections to the energy levels of heavy quasi–molecules formed in these collisions.

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Dates et versions

hal-00576259 , version 1 (14-03-2011)

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a N Artemyev, A Surzhykov, P Indelicato, G Plunien, Th Stöhlker. Finite basis set approach to the two-centre Dirac problem in Cassini coordinates. Journal of Physics B: Atomic, Molecular and Optical Physics, 2010, 43 (23), pp.235207. ⟨10.1088/0953-4075/43/23/235207⟩. ⟨hal-00576259⟩
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