collaborators

8 papers

physics.atom-ph2026

Non-dipole effects in two-photon double ionization of the K-shell of a beryllium-like atomic ion

Alexey N. Hopersky, Alexey M. Nadolinsky, Rustam V. Koneev +1

In the second order of the non-relativistic quantum perturbation theory and outside the framework of the dipole approximation for the operator of the radiation transition between c…

physics.atom-ph2026

Non-dipole effects in two-photon sweeping of the K-shell of an atomic ion

A. N. Hopersky, A. M. Nadolinsky, S. A. Novikov +1

In the work [1], within the framework of a dipole approximation for the radiation transition operator, of the second-order nonrelativistic quantum perturbation theory and the Hartr…

physics.atom-ph2025

Two-photon sweeping out of the K-shell of a heavy atomic ion

A. N. Hopersky, A. M. Nadolinsky, S. A. Novikov +1

Within the framework of the second-order non-relativistic quantum perturbation theory, the methods of the theory of irreducible tensor operators, and nonorthogonal orbitals, the ab…

physics.atom-ph2025

Two-photon ionization of the K-shell of ions of the isonuclear sequence of a heavy atom

Alexey N. Hopersky, Alexey M. Nadolinsky, Sergey A. Novikov +1

The shape and absolute values of the generalized cross-sections of the two-photon resonant single ionization of the K-shell of ions of the isonuclear sequence of a heavy nickel ato…

physics.atom-ph2025

On the Extended Hilbert Space in the theory of the multielectron atom

Alexey N. Hopersky, Alexey M. Nadolinsky, Rustam V. Koneev

The construction of the Extended Hilbert Space (EHS) is presented in the form of a direct sum of the spaces of vectors of finite and infinite norms as the main space in the mathema…

physics.atom-ph2025

On summation of -Wigner symbols

Alexey N. Hopersky, Alexey M. Nadolinsky, Rustam V. Koneev

Within the framework of the theory of irreducible tensor operators, using well-known general analytical results for double sums () of products of two -Wigner symbols…