Journal ArticleDOI
Interference effects in high-order harmonic generation with molecules
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TLDR
In this article, high-order harmonic generation for molecules in linearly polarized laser pulses by numerical solution of the Schr\"odinger equation was studied and maxima and minima due to intramolecular interference were found in the dependence of the harmonic intensities on the internuclear distance and on the orientation of the molecules.Abstract:
We study high-order harmonic generation for ${\mathrm{H}}_{2}^{+}$ and ${\mathrm{H}}_{2}$ model molecules in linearly polarized laser pulses by numerical solution of the Schr\"odinger equation. Maxima and minima due to intramolecular interference are found in the dependence of the harmonic intensities on the internuclear distance and on the orientation of the molecules. These extrema can be approximately predicted by regarding them as the result of interference between two radiating point sources located at the positions of the nuclei.read more
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Journal ArticleDOI
Possibility of tracking imino–amino tautomerism of cytosine by ultra-short laser pulses using high-order harmonic generation
TL;DR: In this paper, the authors used high-order harmonic spectra to track the tautomerism of cytosine by ultra-short laser pulses using high order harmonic generation.
Journal ArticleDOI
Roles of Coulomb potentials in below- and above-threshold harmonic generation for a hydrogen atom in strong laser fields
Lu-Ning Li,Jun-Ping Wang,Feng He +2 more
TL;DR: In this paper, the effects of Coulomb potentials on high-harmonic generation from a hydrogen atom exposed to strong laser fields by numerically simulating the time-dependent Schrodinger equation were investigated.
Journal ArticleDOI
Effects of Bounding Potential on High-Order Harmonic Generation with H 2 +
Zhao Jing,Zhao Zeng-Xiu +1 more
TL;DR: In this article, the authors showed that the positions of extrema in harmonic spectra are mainly affected by bounding potential dependence of the recombination interference, and they showed that ω = Ek + Ip holds only when an exact continuum wave function is used.
Journal ArticleDOI
Retrieval of Interatomic Separation from High-Order Harmonic Spectra Using the Electron Interference Effect
TL;DR: In this article, a method of extracting interatomic separation of CO2 is proposed based on using the dipole moment extracted from high-order harmonic generation (HHG) spectra.
Dissertation
Attosecond imaging of molecular dynamics
TL;DR: In this paper, the fundamental mechanisms playing a role in atoms, molecules and condensed matter are probed using high harmonic generation (HHG) in order to understand how to extract dynamical and structural information of orbitals from a harmonic signal.