A new platform for atom-ion hybrid experiments

Sias, Carlo; Duca, Lucia; Perego, Elia; Berto, Federico; Mizukami, Naoto

doi:10.1117/12.2621218

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“…Recently, Feshbach resonances using tunable magnetic interactions between the ultracold atoms Li and a single ion Ba + have been experimentally demonstrated [17]. On the other hand, experimental work apparatus designed to immerse a single barium ion in an ultracold fermionic lithium gas [42]. These experiments aim to control the collisional properties of the atom-ion and to control the chemical reactions [42].…”

Section: Introductionmentioning

confidence: 99%

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Electronic structure of ground and low-lying excited states of BaLi⁺ molecular ion: spin-orbit effect, radiative lifetimes and Franck-Condon factor

Akkari,

Zrafi,

Ladjimi

et al. 2024

Phys. Scr.

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The study of BaLi+ and its reactivity plays a crucial role in advancing our understanding of chemical bonding or reaction mechanisms.The aim of this work is to represent a complete and extended theoretical study of BaLi+ molecular ion including ground and highly excited electronic states of1,3Σ, 1,3Π and 1,3Δ symmetries, dissociated to the first seven dissociation limits. Thecorresponding potential energy curves (PECs), permanent and transition dipole moments have been investigated. These calculations were performed using the multireference configuration interaction (MRCI) method in combination with optimized basis sets and non-empirical pseudopotentials (ECP) for both Ba and Li atoms.Afterwards, the Spin-Orbit (SO) operator is incorporated in valence MRCI calculation using optimized relativistic spin-orbit pseudo-potentials and 16 Ω states are generated and splitted into Λ-S states.The SO effect gives rise to a more complicated structure of electronic states presented in PEC and permanent and transition dipole moments. Nonadiabatic coupling matrix elements between the five lowest 1Σ+ states are also presented for the nonrelativistic results. Based on the vibrational radiative lifetime and Franck-Condon calculation, the possibilities of laser cooling of this system have been also discussed.

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Section: Introductionmentioning

confidence: 99%

“…On the other hand, experimental work apparatus designed to immerse a single barium ion in an ultracold fermionic lithium gas [42]. These experiments aim to control the collisional properties of the atom-ion and to control the chemical reactions [42].…”

Section: Introductionmentioning

confidence: 99%

Electronic structure of ground and low-lying excited states of BaLi⁺ molecular ion: spin-orbit effect, radiative lifetimes and Franck-Condon factor

Akkari,

Zrafi,

Ladjimi

et al. 2024

Phys. Scr.

View full text Add to dashboard Cite

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A new platform for atom-ion hybrid experiments

Cited by 1 publication

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Electronic structure of ground and low-lying excited states of BaLi⁺ molecular ion: spin-orbit effect, radiative lifetimes and Franck-Condon factor

Electronic structure of ground and low-lying excited states of BaLi⁺ molecular ion: spin-orbit effect, radiative lifetimes and Franck-Condon factor

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A new platform for atom-ion hybrid experiments

Cited by 1 publication

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Electronic structure of ground and low-lying excited states of BaLi+ molecular ion: spin-orbit effect, radiative lifetimes and Franck-Condon factor

Electronic structure of ground and low-lying excited states of BaLi+ molecular ion: spin-orbit effect, radiative lifetimes and Franck-Condon factor

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Electronic structure of ground and low-lying excited states of BaLi⁺ molecular ion: spin-orbit effect, radiative lifetimes and Franck-Condon factor

Electronic structure of ground and low-lying excited states of BaLi⁺ molecular ion: spin-orbit effect, radiative lifetimes and Franck-Condon factor