Simulation of resonance-enhanced high-order harmonic generation and autoionization decay in based on time-dependent density-functional theory

AA Romanov, VV Strelkov, AA Silaev - Physical Review A, 2024 - APS
We study theoretically the high-order harmonic generation (HHG) driven by an optical laser
pulse in singly ionized gallium using the time-dependent density functional theory (TDDFT) …

Streaking camera in the high intensity regime

AA Romanov, TS Sarantseva, AV Sviridov, AA Silaev… - Optics Letters, 2024 - opg.optica.org
The laser-induced decay of an atomic system in an intense infrared and perturbative
extreme ultraviolet (XUV) pulse is considered within Keldysh and streaking ionization …

Two-Electron Scenario of High-Order Harmonics Generation by Atom in an Intense Infrared Field and Attosecond Pulse

AA Romanov, AA Silaev, NV Vvedenskii, MV Frolov - JETP Letters, 2024 - Springer
The two-electron scenario is proposed for the high-order harmonic generation (HHG) by an
atom interacting with an intense infrared field and attosecond pulse. The two-electron …

Resonant enhancement of high-order harmonic generation by Ba and Cs atoms

AA Romanov, AA Silaev, NV Vvedenskii - Physical Review A, 2025 - APS
High-order harmonic generation (HHG) driven by infrared laser pulses in Ba and Cs atoms
is studied numerically and analytically by solving the time-dependent Kohn-Sham …

Двухэлектронный механизм генерации высших гармоник атомом в интенсивном инфракрасном поле и аттосекундном импульсе

АА Романов, АА Силаев, НВ Введенский… - Письма в Журнал …, 2024 - mathnet.ru
Предложен двухэлектронный механизм формирования высокоэнергетического плато в
спектре генерации высших гармоник атомом в интенсивном инфракрасном поле и …

Dvukhelektronnyy mekhanizm generatsii vysshikh garmonik atomom v intensivnom infrakrasnom pole i attosekundnom impul'se

AA Romanov, AA Silaev… - Pisʹma v žurnal …, 2024 - journals.rcsi.science
Предложен двухэлектронный механизм формирования высокоэнергетического плато в
спектре генерации высших гармоник атомом в интенсивном инфракрасном поле и …