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Quantum Simulation Quantum Chemistry

Stable He^- can exist in a strong magnetic field

arXiv
Authors: A. V. Turbiner, J. C. Lopez Vieyra

Year

2013

Paper ID

33633

Status

Preprint

Abstract Read

~2 min

Abstract Words

109

Citations

N/A

Abstract

The existence of bound states of the system \(al,e,e,e\) in a magnetic field B is studied using the variational method. It is shown that for B gtrsim 0.13 {rm a.u.} this system gets bound with total energy below the one of the \(al,e,e\) system. It manifests the existence of the stable He^- atomic ion. Its ground state is a spin-doublet 2(-1)+ at 0.74 {rm a.u.} gtrsim B gtrsim 0.13 {rm a.u.} and it becomes a spin-quartet 4(-3)+ for larger magnetic fields. For 0.8 {rm a.u.} gtrsim B gtrsim 0.7 {rm a.u.} the He^- ion has two (stable) bound states 2(-1)+ and 4(-3)+.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • The existence of bound states of the system (al,e,e,e) in a magnetic field B is studied using the variational method.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1307.4810 [2] arXiv https://arxiv.org/abs/1307.4810 [3] Publisher https://arxiv.org/abs/1307.4810

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