The carrier envelope phase (CEP) dependence in the CAD bond breaking of C2D2 induced by an intense few-cycle laser pulse is investigated. The ejection direction of D+ ions generated from the Coulomb explosion, C2D2þ 2 ! C2Dþ and D+, exhibits the CEP dependent asymmetry, while its CEP dependence is out of phase by p with respect to the CEP dependence of the recoil momentum of C2Dþ2 . From a recollisional double ionization model, the asymmetry in the ejection direction of D+ was ascribed to the laser-assisted CAD bond weakening in the few-cycle laser field.
Carrier-envelope-phase dependence of asymmetric CD bond breaking in C2D2 in an intense few-cycle laser field
SANSONE, GIUSEPPE;NISOLI, MAURO
2014-01-01
Abstract
The carrier envelope phase (CEP) dependence in the CAD bond breaking of C2D2 induced by an intense few-cycle laser pulse is investigated. The ejection direction of D+ ions generated from the Coulomb explosion, C2D2þ 2 ! C2Dþ and D+, exhibits the CEP dependent asymmetry, while its CEP dependence is out of phase by p with respect to the CEP dependence of the recoil momentum of C2Dþ2 . From a recollisional double ionization model, the asymmetry in the ejection direction of D+ was ascribed to the laser-assisted CAD bond weakening in the few-cycle laser field.File in questo prodotto:
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