Quantitative rescattering theory of high-order harmonic generation for polyatomic molecules
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We report applications of the quantitative rescattering theory (QRS) for calculation of high-order-harmonic generation (HHG) from polyatomic molecules in ultrashort linearly polarized intense laser pulses, using the example of the CCl4 molecule. In particular, we present a detailed analysis and a treatment for the phase of the electron returning wave packet, which recollides with the parent molecular ion to emit high-energy photons. Our results show that Cooper-type minimum structures in the molecular photoionization cross section lead to quite distinguishable minima in the HHG spectra, even for unaligned polyatomic molecules. 2013 American Physical Society.
author list (cited authors)
Le, A., Lucchese, R. R., & Lin, C. D.
complete list of authors
Le, Anh-Thu||Lucchese, RR||Lin, CD