A TD-CIS study of high-harmonic generation of uracil cation fragments

C Morassut, E Luppi, E Coccia - Chemical Physics, 2022 - Elsevier
High-harmonic generation (HHG) spectroscopy was investigated from laser ablation
plasmas of uracil targets in the experimental work of Hutchinson et al.,[Phys. Chem. Chem …

Imprints of multielectron polarization effects in odd-even harmonic generation from co molecules

HT Nguyen, KNH Nguyen, NL Phan, CT Le, DD Vu… - Physical Review A, 2022 - APS
Dynamic core-electron polarization (DCeP) is a correction to the single-active electron (SAE)
approximation by considering a response of the core electrons to the time-dependent laser …

Probing the molecular frame of uracil and thymine with high-harmonic generation spectroscopy

E Luppi, E Coccia - Physical Chemistry Chemical Physics, 2021 - pubs.rsc.org
In this work, we present the computed high-harmonic generation (HHG) spectra of uracil and
thymine molecules, by means of the real-time time-dependent formulation of Gaussian …

Dynamic core-electron-polarization effect on the high-order harmonic generation process from a quantum-trajectory perspective

CT Le, C Ngo, NL Phan, DD Vu, VH Le - Physical Review A, 2023 - APS
It is argued that the dynamic core-electron polarization (DCEP) in polar molecules primarily
affects harmonic processes at the ionization step only. This manifestation can also be …

General characterization of partially oriented polar molecules by the time-frequency profile of high-order harmonic generation

NL Phan, KNH Nguyen, CT Le, DD Vu, K Tran, VH Le - Physical Review A, 2020 - APS
For polar molecules, the degree of orientation is an essential variable with many interesting
manifestations in strong-field phenomena. However, there is no direct way to measure the …

Effect of ionization asymmetry on high harmonic generation from oriented CO in orthogonal two-color fields

Y Yang, L Liu, J Zhao, Y Tu, J Liu… - Journal of Physics B …, 2021 - iopscience.iop.org
We investigate the high harmonic generation from oriented CO molecules in orthogonal two-
color (OTC) fields by solving the three-dimensional time-dependent Hartree–Fock equation …

Effect of multiple rescatterings on continuum harmonics from asymmetric molecules in multicycle lasers

CT Le, NL Phan, DD Vu, C Ngo, VH Le - Physical Chemistry Chemical …, 2022 - pubs.rsc.org
A wide range of harmonics especially continuum harmonics is a prerequisite for attosecond
pulse generation. One can use longer-wavelength lasers to push the cutoff to a higher order …

[PDF][PDF] Regulation of continuum harmonic generation by using near-infrared chirped pulses

CT Le, NL Phan, DD Vu, C Ngo… - Communications in …, 2023 - researchgate.net
It has been known that the broadband of continuum harmonics, a regular periodicity or a
wide smooth range, is essential for generating attosecond pulses. However, the high-order …

Probing orientation degrees of polar molecule from high-order harmonic generation: the case of partial alignment

KNH Nguyen, NL Phan, CT Le… - Journal of Physics …, 2021 - iopscience.iop.org
Recently, we have proposed a general method to probe the whole range of degrees of
orientation based on the time-frequency profile of high-order harmonic generation (HHG) but …

[PDF][PDF] Effect of the potential within single-active electron approximation on high-order harmonic generation from CO molecule

NT Hien, PTN Loan - Ho Chi Minh City Univ. Educ. J. Sci., 2020 - scholar.dlu.edu.vn
Constructing the model of single-active electron (SAE) potential for multielectron molecules
is essential to investigate the high-order harmonic generation (HHG). Since solving the …