NDLI: The beryllium atom and beryllium positive ion in strong magnetic fields

Content Provider	Springer Nature Link
Author	Ivav, M.V. Schmelcher, P.
Copyright Year	2001
Abstract	The ground and a few excited states of the beryllium atom in external uniform magnetic fields are calculated by means of our 2D mesh Hartree-Fock method for field strengths ranging from zero up to 2.35×109 T. With changing field strength the ground state of the Be atom undergoes three transitions involving four different electronic configurations which belong to three groups with different spin projections S z = 0, - 1, - 2. For weak fields the ground state configuration arises from the 1s 22s 2, S z = 0 configuration. With increasing field strength the ground state evolves into the two S z = - 1 configurations 1s 22s2p -1 and 1s 22p -13d -2, followed by the fully spin polarised S z = - 2 configuration 1s2p -13d -24f -3. The latter configuration forms the ground state of the beryllium atom in the high field regime γ > 4.567. The analogous calculations for the Be + ion provide the sequence of the three following ground state configurations: 1s22s and 1s 22p -1 (S z = - 1/2) and 1s2p -13d -2 (S z = - 3/2).
Starting Page	279
Ending Page	288
Page Count	10
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	14
Issue Number	3
e-ISSN	14346079
Language	English
Publisher	EDP Sciences, Springer-Verlag, Società Italiana di Fisica
Publisher Date	2001-06-01
Publisher Place	Bologna
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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