Relativistic coupled cluster calculations of the electron affinity and ionization potential of Nh(113)

Guo, Yangyang; Borschevsky, Anastasia; Eliav, Ephraim; Pašteka, Lukáš F.

doi:10.48550/arxiv.2202.01294

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Nihonium (Z=113 Nh)1

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2022

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References 36 publications

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“…The present I 1 (Nh) and ε(Nh) values agree also with the very recent results from Ref. [64] which were obtained by the use of the CC method including the QED corrections.…”

Section: Nihonium (Z=113 Nh)supporting

confidence: 92%

Ionization potentials and electron affinities of Rg, Cn, Nh, and Fl superheavy elements

Kaygorodov,

Usov,

Eliav

et al. 2022

Preprint

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The successive ionization potentials (IPs) and electron affinities (EAs) for superheavy elements with 111 ≤ Z ≤ 114, namely, Rg, Cn, Nh, and Fl are reexamined using the relativistic Fockspace coupled-cluster method with nonperturbative single (S), double (D), and triple (T) cluster amplitudes (FS-CCSDT). For the most of considered quantities, the triple-amplitude contributions turn out to be important. The Breit and frequency-dependent Breit corrections are evaluated by means of the configuration-interaction method. The quantum-electrodynamics corrections to the IPs and EAs are taken into account within the model-QED-operator approach. The obtained results are within 0.10 eV uncertainty.

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“…The present I 1 (Nh) and ε(Nh) values agree also with the very recent results from Ref. [64] which were obtained by the use of the CC method including the QED corrections.…”

Section: Nihonium (Z=113 Nh)supporting

confidence: 92%