49 citations · 267 across the 20 of their papers we have counts for
20 papers
QED Corrections in Unstable Vacuum
V. A. Zaytsev, V. A. Yerokhin, C. H. Keitel +1
Self-energy and vacuum polarization effects in quantum electrodynamics (QED) are calculated for the supercritical Coulomb field, where Dirac energy levels become embedded in the ne…
Complex-scaled ab initio QED approach to autoionizing states
V. A. Zaytsev, A. V. Malyshev, V. M. Shabaev
Ab initio method based on a complex-scaling approach and aimed at a rigorous QED description of autoionizing states is worked out. The autoionizing-state binding energies are treat…
Model-QED operator for superheavy elements
A. V. Malyshev, D. A. Glazov, V. M. Shabaev +3
The model-QED-operator approach [Phys. Rev. A 88, 012513 (2013)] to calculations of the radiative corrections to binding and transition energies in atomic systems is extended to th…
Calculation of the moscovium ground-state energy by quantum algorithms
V. A. Zaytsev, M. E. Groshev, I. A. Maltsev +2
We investigate the possibility to calculate the ground-state energy of the atomic systems on a quantum computer. For this purpose we evaluate the lowest binding energy of the mosco…
Scattering of a twisted electron wavepacket by a finite laser pulse
I. A. Aleksandrov, D. A. Tumakov, A. Kudlis +2
The behavior of a twisted electron colliding with a linearly polarized laser pulse is investigated within relativistic quantum mechanics. In order to better fit the real experiment…
Two-photon Annihilation of Positrons with K-shell Electrons of H-like ions
Z. A. Mandrykina, V. A. Zaytsev, V. A. Yerokhin +1
The two-photon annihilation of a positron with an electron bound in the 1s state of a H-like ion is calculated within the fully relativistic QED framework. The interaction with the…
Calculations of Delbrück scattering to all orders in
J. Sommerfeldt, V. A. Yerokhin, R. A. Müller +3
We present a theoretical method to calculate Delbrück scattering amplitudes. Our formalism is based on the exact analytical Dirac-Coulomb Green's function and, therefore, accounts…
Electronic structure effects in the electron bremsstrahlung from heavy ions
M. E. Groshev, V. A. Zaytsev, V. A. Yerokhin +3
A fully relativistic approach is presented for the calculation of the bremsstrahlung emitted by an electron scattered off an ionic target. The ionic target is described as a combin…
How to access QED at supercritical Coulomb field
R. V. Popov, V. M. Shabaev, D. A. Telnov +10
In slow collisions of two bare nuclei with the total charge number larger than the critical value, , the initially neutral vacuum can spontaneously decay in…
Resonant sequential two-photon ionization of atoms by twisted and plane-wave light
V. P. Kosheleva, V. A. Zaytsev, R. A. Müller +2
We study the resonant sequential two-photon ionization of neutral atoms by a combination of twisted- and plane-wave light within a fully relativistic framework. In particular, the…
Bremsstrahlung from twisted electrons in the field of heavy nuclei
M. E. Groshev, V. A. Zaytsev, V. A. Yerokhin +1
We present a fully relativistic calculation of the bremsstrahlung emitted by twisted electrons propagating in the field of bare heavy nuclei. The electron-nucleus interaction is ac…
Complex scaled relativistic configuration-interaction study of the resonances in helium-like ions: from Boron to Argon
V. A. Zaytsev, I. A. Maltsev, I. I. Tupitsyn +1
Energies and Auger widths of the resonances in He-like ions from boron to argon are evaluated by means of a complex scaled configuration-interaction approach within the framew…
Elastic scattering of twisted electrons by atomic target: Going beyond the Born approximation
V. P. Kosheleva, V. A. Zaytsev, A. Surzhykov +2
The elastic scattering of twisted electrons by neutral atoms is studied within the fully relativistic framework. The electron-atom interaction is taken into account in all orders,…
Analysis of angular momentum properties of photons emitted in fundamental atomic processes
V. A. Zaytsev, A. S. Surzhykov, V. M. Shabaev +1
Many atomic processes result in the emission of photons. Analysis of the properties of emitted photons, such as energy and angular distribution as well as polarization, is regarded…
Radiative recombination of twisted electrons with bare nuclei: going beyond the Born approximation
V. A. Zaytsev, V. G. Serbo, V. M. Shabaev
We present a fully relativistic investigation of the radiative recombination of a twisted electron with a bare heavy nucleus. The twisted electron is described by the wave function…
Quantum calculation of the Vavilov-Cherenkov radiation by twisted electrons
I. P. Ivanov, V. G. Serbo, V. A. Zaytsev
We present the detailed quantum electrodynamical description of Vavilov-Cherenkov radiation emitted by a relativistic twisted electron in the transparent medium. Simple expressions…
Parity nonconservation effect in the resonance elastic electron scattering on heavy He-like ions
V. A. Zaytsev, A. V. Maiorova, V. M. Shabaev +2
We investigate the parity nonconservation effect in the elastic scattering of polarized electrons on heavy He-like ions, being initially in the ground state. The enhancement of the…
Parity nonconservation effect in the dielectronic recombination of polarized electrons with heavy He-like ions
V. A. Zaytsev, A. V. Maiorova, V. M. Shabaev +4
We investigate the parity nonconservation (PNC) effect in the dielectronic recombination (DR) of a polarized electron with a heavy He-like ion into doubly-excited $((1s 2p_{1/2})_{…
Parity nonconservation effect in resonance recombination of polarized electrons with heavy hydrogenlike ions
A. V. Maiorova, V. M. Shabaev, A. V. Volotka +3
Parity nonconservation (PNC) effect in recombination of a polarized electron with a heavy H-like ion in case of resonance with a doubly excited state of the corresponding He-like i…
Coulomb glory effect in collisions of antiprotons with heavy nuclei: relativistic theory
A. V. Maiorova, D. A. Telnov, V. M. Shabaev +3
Collisions of antiprotons with bare uranium nuclei are studied for scattering angles nearby 180 in the framework of relativistic theory. The Coulomb glory phenomenon is i…