Adiabatic theory of strong-field ionization of molecules including nuclear motion

Svensmark, Jens; Tolstikhin, Oleg I.; Morishita, Tōru

doi:10.1103/physreva.101.053422

Cited by 3 publications

(2 citation statements)

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“…[15] and developed in refs. [16][17][18][19][20][21][22][23][24]. MO-ADK is a generalization of the atomic ADK model [32], or Perelomov-Popov-Terentiev (PPT) model [33], to account for the non-spherical symmetry of the molecular core potential.…”

Section: Methodsmentioning

confidence: 99%

“…As a result, the rate of the tunnelling ionization from the excited state can increase appreciably compared to that from the ground vibrational state, e.g., by several times for a hydrogen molecule [11]. Note that the anti-Stokes enhancement was not taken into account by other authors [15][16][17][18][19][20][21][22][23][24]. This effect can be potentially used for the laser separation of hydrogen [11], nitrogen and oxygen [25,26] isotopes in gas targets.…”

Section: Introductionmentioning

confidence: 99%

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Modification of Vibrational Parameters of a CO2 Molecule by a Laser Field: Impact on Tunnel Ionization

Kornev

Chernov

2023

Atoms

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In this paper, we theoretically study the laser-induced modification of the vibrational parameters of a carbon dioxide molecule regarding its tunnel ionization. Our study predicts a 5% increase in the ionization rate in anti-Stokes channels that corresponds to pumping the Σu mode up to vai=10. The molecule is imparted with an additional energy from the pre-pumped vibrational states, which is absorbed during ionization. As a result, the tunneling rate increases. This amplification of tunnel ionization of the CO2 gas target can potentially be used for the laser separation of carbon isotopes.

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