Strong-field ionization of chiral molecules with bicircular laser fields: Sub-barrier dynamics, interference, and vortices - Archive ouverte HAL
Article Dans Une Revue Physical Review A Année : 2024

Strong-field ionization of chiral molecules with bicircular laser fields: Sub-barrier dynamics, interference, and vortices

Résumé

Strong-field ionization by counter-rotating two-color laser fields produces quantum interference between photoelectrons emitted on the leading and trailing edges of the laser field oscillations. We show that in chiral molecules, this interference is asymmetric along the light propagation direction and strongly enhances the sensitivity of the attoclock scheme to molecular chirality. Calculations in a toy-model molecule with a short-range chiral potential show that this enhanced sensitivity already emerges at the exit of the tunnel. We investigate the possible sources of chiral sensitivity in the tunneling process, and find that the interference between electron vortices plays a crucial role in the chiral response.
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Dates et versions

hal-04677698 , version 1 (26-08-2024)

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Samuel Beaulieu, Sylvain Larroque, Dominique Descamps, Baptiste Fabre, Stéphane Petit, et al.. Strong-field ionization of chiral molecules with bicircular laser fields: Sub-barrier dynamics, interference, and vortices. Physical Review A, 2024, 110 (1), pp.013103. ⟨10.1103/PhysRevA.110.013103⟩. ⟨hal-04677698⟩
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