Above-threshold ionization with X-ray free-electron lasers
Sign Up to like & getrecommendations! Published in 2024 at "Communications Physics"
DOI: 10.1038/s42005-024-01836-x
Abstract: This study delves into the relatively uncharted territory of Above Threshold Ionization in atoms, triggered by intense X-ray radiation fields. At these frequencies, the energy of a single photon far exceeds the ionization potential of… read more here.
Keywords: field; free electron; energy; threshold ionization ... See more keywords
Minima in low-energy above-threshold-ionization spectra induced by electronic structure
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.043423
Abstract: Dmitry A. Telnov 1,* and Shih-I Chu2,3,† 1Department of Physics, St. Petersburg State University, 7-9 Universitetskaya Naberezhnaya, St. Petersburg 199034, Russia 2Center for Quantum Science and Engineering, and Center for Advanced Study in Theoretical Sciences,… read more here.
Keywords: minima low; threshold ionization; physics; energy threshold ... See more keywords
Two-photon above-threshold ionization of helium
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.103.033103
Abstract: Multiphoton ionization provides a clear window into the nature of electron correlations in the helium atom. In the present study, the final-state energy range extends up to the region near the $N=2$ and $N=3$ ionization… read more here.
Keywords: threshold ionization; two photon; photon ionization; ionization ... See more keywords
High-Order Phase-Dependent Asymmetry in the Above-Threshold Ionization Plateau.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.126.113201
Abstract: Above-threshold ionization spectra from cesium are measured as a function of the carrier-envelope phase (CEP) using laser pulses centered at 3.1 μm wavelength. The directional asymmetry in the energy spectra of backscattered electrons oscillates three times,… read more here.
Keywords: asymmetry; phase; threshold ionization; high order ... See more keywords
Magnetic-Field Effect in High-Order Above-Threshold Ionization.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.023201
Abstract: We experimentally and theoretically investigate the influence of the magnetic component of an electromagnetic field on high-order above-threshold ionization of xenon atoms driven by ultrashort femtosecond laser pulses. The nondipole shift of the electron momentum… read more here.
Keywords: field; high order; threshold ionization; order threshold ... See more keywords
Field-free molecular alignment of carbon dioxide molecules measured with above-threshold ionization yields
Sign Up to like & getrecommendations! Published in 2020 at "Canadian Journal of Physics"
DOI: 10.1139/cjp-2019-0361
Abstract: We present measurements of above-threshold ionization (ATI) of CO2 in a pump-probe experiment where the pump pulse creates a rotational wave packet and the linearly polarized probe pulse generates ... read more here.
Keywords: molecular alignment; threshold ionization; free molecular; alignment carbon ... See more keywords
Angular resolved above-threshold ionization spectrum of an atom in IR+XUV orthogonally polarized two-color laser fields.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.020754
Abstract: We investigate the above-threshold ionization (ATI) process of atoms exposed to the IR+XUV orthogonally polarized two-color laser fields by using the frequency-domain theory. It is shown that there exists a dip structure in each plateau… read more here.
Keywords: threshold ionization; xuv; spectrum; laser ... See more keywords
Interference Structures in the High-Order Above-Threshold Ionization Spectra of Polyatomic Molecules in a Bicircular Laser Field
Sign Up to like & getrecommendations! Published in 2025 at "Molecules"
DOI: 10.3390/molecules30142946
Abstract: We analyze the high-order above-threshold ionization (HATI) process of a small polyatomic molecule with C3 symmetry, which is induced by a bicircular strong laser field. This field consists of two coplanar, counter-rotating, circularly polarized components… read more here.
Keywords: field; order threshold; threshold ionization; laser field ... See more keywords