Výsledky vyhledávání - "Monika Stanke"

The 2S Rydberg series of the lithium atom. Calculations with all-electron explicitly correlated Gaussian functions

Autor: Amir Bralin, Ludwik Adamowicz, Monika Stanke, Sergiy Bubin

Publikováno v: Chemical Physics Letters. 730:497-505

In this work we report very accurate variational calculations of the twelve lowest 2 S Rydberg states of the lithium atom performed with the finite-nuclear-mass (FNM) approach and with all-electron explicitly correlated Gaussian functions. The FNM no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bd6c4c2fc32d627b2d0ea51ab8a2ae3
https://doi.org/10.1016/j.cplett.2019.06.051

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Magnetic orbit-orbit interaction involving electrons and the nucleus orbiting around the center of mass in 1S and 1P Rydberg states of helium. Finite-nuclear-mass calculations with explicitly correlated Gaussian functions

Autor: Monika Stanke, Ludwik Adamowicz

Publikováno v: Chemical Physics Letters. 712:66-70

An finite-nuclear-mass (FNM) approach is employed to describe the magnetic orbit-orbit interaction of the electrons and the nucleus orbiting around the center of mass of the helium atom in 1S and 1P Rydberg states. The calculations are performed usin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12d5a6619d20bd13e484c09d529516f7
https://doi.org/10.1016/j.cplett.2018.09.060

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Algorithm for calculating Bethe logarithm and the adiabatic correction for atoms and two-centered molecules

Autor: Monika Stanke, Ewa Palikot

Publikováno v: Proceedings of International Conference on Precision Physics and Fundamental Physical Constants — PoS(FFK2019).

Bethe logarithm ln(k0) is one of the leading quantum-electrodynamics energy corrections of the order of α^3. A method for calculating this correction, which is an alternative to the method of Schwartz et al. [1], is presented. An effective algorithm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::349586755f6de933e86af49b459dbf97
https://doi.org/10.22323/1.353.0056

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Benchmark calculations of the 1D Rydberg spectrum of beryllium

Autor: Ludwik Adamowicz, Ewa Palikot, Monika Stanke, Keeper L. Sharkey

Publikováno v: Chemical Physics Letters. 779:138823

High-accuracy calculations are performed on the 1 D spectrum of beryllium with the use of all-electron explicitly correlated Gaussian (ECG) functions. In the first step, a nonrelativistic wave function is generated for each state with the ECG nonline

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e06f477f05c8913321cba59760dbdcd8
https://doi.org/10.1016/j.cplett.2021.138823

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Explicitly-correlated non-born-oppenheimer calculations of the HD molecule in a strong magnetic field

Autor: Trygve Helgaker, Erik I. Tellgren, Monika Stanke, Ludwik Adamowicz

Publikováno v: Chemical Physics Letters. 682:87-90

Explicitly correlated all-particle Gaussian functions with shifted centers (ECGs) are implemented within the earlier proposed effective variational non-Born-Oppenheimer method for calculating bound states of molecular systems in magnetic field (Adamo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d6ac9d9f733e07e7bddeff5d4236c27
https://doi.org/10.1016/j.cplett.2017.06.016

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Non-adiabatic effects in the H(3)(+) spectrum

Autor: Ludwik Adamowicz, José R. Mohallem, Monika Stanke, Leonardo G. Diniz, Paulo H. R. Amaral, Alexander Alijah

Publikováno v: Philos Trans A Math Phys Eng Sci

The effect of non-adiabatic coupling on the computed rovibrational energy levels amounts to about 2 cm −1 for H 3 + and must be included in high-accuracy calculations. Different strategies to obtain the corresponding energy shifts are reviewed in t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a84fbce0b8a779d39f6670c51e6d24ed
https://europepmc.org/articles/PMC6710893/

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