Výsledky vyhledávání - "Andréi Zaitsevskii"

Akademický článek

LIBGRPP: A Library for the Evaluation of Molecular Integrals of the Generalized Relativistic Pseudopotential Operator over Gaussian Functions

Autor: Alexander V. Oleynichenko, Andréi Zaitsevskii, Nikolai S. Mosyagin, Alexander N. Petrov, Ephraim Eliav, Anatoly V. Titov

Publikováno v: Symmetry, Vol 15, Iss 1, p 197 (2023)

Generalized relativistic pseudopotentials (GRPP) of atomic cores implying the use of different potentials for atomic electronic shells with different principal quantum numbers give rise to accurate and reliable relativistic electronic structure model

Externí odkaz: https://doaj.org/article/758d833d97054513956fbdf5fccc714f

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Akademický článek

Finite-Field Calculations of Transition Properties by the Fock Space Relativistic Coupled Cluster Method: Transitions between Different Fock Space Sectors

Autor: Andréi Zaitsevskii, Alexander V. Oleynichenko, Ephraim Eliav

Publikováno v: Symmetry, Vol 12, Iss 11, p 1845 (2020)

Reliable information on transition matrix elements of various property operators between molecular electronic states is of crucial importance for predicting spectroscopic, electric, magnetic and radiative properties of molecules. The finite-field tec

Externí odkaz: https://doaj.org/article/4e0eb4a8ba2d46c5ae1215fd75579afe

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Akademický článek

Relativistic Fock Space Coupled Cluster Method for Many-Electron Systems: Non-Perturbative Account for Connected Triple Excitations

Autor: Alexander V. Oleynichenko, Andréi Zaitsevskii, Leonid V. Skripnikov, Ephraim Eliav

Publikováno v: Symmetry, Vol 12, Iss 7, p 1101 (2020)

The Fock space relativistic coupled cluster method (FS-RCC) is one of the most promising tools of electronic structure modeling for atomic and molecular systems containing heavy nuclei. Until recently, capabilities of the FS-RCC method were severely

Externí odkaz: https://doaj.org/article/579173e9f4974a6ab1bc1737f686719b

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Ab initio study of electronic states and radiative properties of the AcF molecule

Autor: Skripnikov, Leonid V, Oleynichenko, Alexander V, Andréi Zaitsevskii, Mosyagin, Nikolai S, Athanasakis-Kaklamanakis, Michail, Au, Mia, Neyens, Gerda

Relativistic coupled-cluster calculations of the ionization potential, dissociation energy, and excited electronic states under 35,000 cm$^{-1}$ are presented for the actinium monofluoride (AcF) molecule. The ionization potential is calculated to be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfcf6dcbea40266795d5dbd7c9d25542

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Generalized relativistic small-core pseudopotentials accounting for quantum electrodynamic effects: construction and pilot applications

Autor: Andréi Zaitsevskii, Nikolai S. Mosyagin, Alexander V. Oleynichenko, Ephraim Eliav

A simple procedure to incorporate one-loop quantum electrodynamic (QED) corrections into the generalized (Gatchina) nonlocal shape-consistent relativistic pseudopotential model is described. The pseudopotentials for Lu, Tl, and Ra replacing only inne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72614ff7e7c709f34badd755b68a499f
http://arxiv.org/abs/2208.12296

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Large shape staggering in neutron-deficient Bi isotopes

Autor: A.V. Oleynichenko, Julian C. Berengut, Mark Bissell, Jean-Pierre Dognon, K. Chrysalidis, R. F. Garcia Ruiz, V. N. Fedosseev, B. Andel, Sacha Schiffmann, V. Panteleev, C. Raison, B. A. Marsh, C. Seiffert, G. J. Farooq-Smith, Magdalena Elantkowska, D. V. Fedorov, J. Karls, Thomas Elias Cocolios, Ephraim Eliav, Andréi Zaitsevskii, Sebastian Rothe, M. D. Seliverstov, Dominik Studer, M. Huyse, M. Al Monthery, Kara Marie Lynch, P. Mosat, K. Rezynkina, P. Van Duppen, P. Molkanov, L. V. Skripnikov, M. L. Reitsma, Ralf Erik Rossel, A. Barzakh, M. Stryjczyk, S. Péru, S. Sels, S. Hilaire, C. Granados, R. D. Harding, P. Larmonier, R. Heinke, J. G. Li (李冀光), S. Goriely, Anastasia Borschevsky, L. P. Gaffney, Jacek Bieron, Andrei Andreyev, T. Day Goodacre, Jarosław Ruczkowski, Michel Godefroid, M. Verlinde, Sebastian Wilman, S. Antalic, D. E. Maison, J. G. Cubiss, Pekka Pyykkö

Publikováno v: Physical Review Letters
Physical Review Letters, American Physical Society, 2021, 127 (19), pp.192501. ⟨10.1103/PhysRevLett.127.192501⟩
Physical Review Letters, 2021, 127 (19), pp.192501. ⟨10.1103/PhysRevLett.127.192501⟩
Physical Review Letters, 127(19):A44. AMER PHYSICAL SOC
Physical review letters, 127
PHYSICAL REVIEW LETTERS

The changes in the mean-square charge radius (relative to 209Bi), magnetic dipole, and electric quadrupole moments of 187,188,189,191Bi were measured using the in-source resonance-ionization spectroscopy technique at ISOLDE (CERN). A large staggering

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::353dbbbd1a05bd3bb36ef86884d2d963
https://hal-cea.archives-ouvertes.fr/cea-03412363

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Relativistic Fock space coupled-cluster study of bismuth electronic structure to extract the Bi nuclear quadrupole moment

Autor: Andréi Zaitsevskii, D. E. Maison, A. E. Barzakh, Leonid V. Skripnikov, A.V. Oleynichenko

Publikováno v: Physical Review C. 104

We report the value of the electric quadrupole moment of $^{209}\mathrm{Bi}$ extracted from the atomic data. For this, we performed electronic structure calculations for the ground $^{4}S_{3/2}^{o}$ and excited $^{2}P_{3/2}^{o}$ states of atomic Bi u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f193153fe6df3affa3ec86906e6ae212
https://doi.org/10.1103/physrevc.104.034316

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Spectroscopy of Diatomic Molecules in an Adiabatic Approximation

Autor: Andréi Zaitsevskii, Vladimir I. Pupyshev, Andrey V. Stolyarov, E. A. Pazyuk

Publikováno v: Russian Journal of Physical Chemistry A. 93:1865-1872

Modern molecular spectroscopy of diatomic molecules is the precision study of the structure and dynamics of electronically excited states of isolated molecules in the gas phase. At the same time, the energy, radiation, magnetic, and electrical charac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0784ccf1b6a65db303e3dd48eca44751
https://doi.org/10.1134/s0036024419100200

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Electron affinity of oganesson

Autor: A.V. Oleynichenko, I. I. Tupitsyn, Ephraim Eliav, M. Y. Kaygorodov, Andréi Zaitsevskii, Y. S. Kozhedub, Leonid V. Skripnikov, A. V. Malyshev, V. M. Shabaev, Anatoly V. Titov

The electron affinity (EA) of superheavy element Og is calculated by the use of the relativistic Fock-space coupled cluster (FSCC) and configuration interaction methods. The FSCC cluster operator expansion included single, double, and triple excitati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bba69e5b5af0f620ec26ab5f728b2fc2
http://arxiv.org/abs/2105.11435

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Axion-mediated electron-electron interaction in ytterbium monohydroxide molecule

Autor: Leonid V. Skripnikov, D. E. Maison, A.V. Oleynichenko, Andréi Zaitsevskii

The YbOH triatomic molecule can be efficiently used to measure the electron electric dipole moment, which violates time-reversal (T) and spatial parity (P) symmetries of fundamental interactions [I. Kozyryev, N.R. Hutzler, Phys. Rev. Lett. 119, 13300

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e84214a4ed7e42d2bd24d3bc953fc64f
http://arxiv.org/abs/2103.14361

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