6 papers
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…
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…
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…
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…
On the dipole approximation in the theory of photoionization of the atom
Alexey N. Hopersky, Alexey M. Nadolinsky, Rustam V. Koneev +1
In the nonrelativistic many-electron approximation of the theory of photoionization of the atom in the formalism of secondary quantization and the theory of irreducible tensor oper…
Two-photon resonance single ionization of the K-shell of an atomic ion
Alexey N. Hopersky, Alexey M. Nadolinsky, Sergey A. Novikov +1
The analytical structure and absolute values of the generalized cross-section of the two-photon resonance single ionization of the K-shell of a heavy neon-like ion of an iron atom…