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Abstract
In the framework of the variational Monte Carlo method, the ground states of the lithium atom and lithium like ions up to Z = 10 in an external strong magnetic field are evaluated. Furthermore, the two low-lying excited states , and of the lithium atom in strong magnetic field are also investigated. Simple trial wave functions for lithium are used.
Highlights
The properties of atoms in strong magnetic fields are relevant to several domains such as astrophysics, condensed matter physics, and plasma physics [1]
We present the results of calculating the energies of the first two excited states of the lithium atom in the external magnetic field
Our calculations for the ground and first two excited states are performed for magnetic field strengths ranging from zero up to γ = 100
Summary
The properties of atoms in strong magnetic fields are relevant to several domains such as astrophysics, condensed matter physics, and plasma physics [1]. Only hydrogen and helium atoms have been studied for magnetic fields of arbitrary strength [2]. The influence of a magnetic field on the properties of atoms and molecules is of great interest. The study of strongly magnetized atoms was first treated in a solid-state context. The absorption spectra of these excitons, when subjected to a magnetic field, display Zeeman effects [3]. The methods of treating the resulting problems arising from these topics have resulted in few studies of many-body effects in strong magnetic fields, i.e., in the field regime where perturbation theory is no longer applicable
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