The Hydrogen Molecular Ion in an Intense Elliptically Polarized Laser Pulse
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We investigate how the simplest molecular ion, Dihydrogen (H2 +), reacts when exposed to an intense ultrashort laser pulse. We use a computer code written in parallel FORTRAN, which is run on a Drake-owned cluster. The program uses a finite-element method to numerically solve the Schrödinger equation for the ion’s electron. We determine the ground-state energy via imaginary time propagation. After generating the initial wave function of the electron, we consider the effect of a strong laser pulse striking the system. Specifically, we investigate the survival probability of the initial state as a function of the laser intensity and the electric polarization vector. We will show snapshots of the probability density for finding the electron in space at various times in the pulse.
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Ionization Of The Hydrogen Molecular Ion By Ultrashort Intense Elliptically Polarized Laser Radiation DuToit, Ryan (2013-04-17)We report results for the single- and multi-photon ionization of the H2 + ion irradiated by ultrashort elliptically polarized laser pulses with central photon energies from the ionization threshold up to 300 eV. Using the ...
Abeln, Brant; Secor, Ethan; Weflen, Daniel; Grum-Grzhimailo, Alexei (2010-04-19)We have used the matrix iteration method of Nurhuda and Faisal (Phys. Rev. A 60 (1999) 3125) to treat ionization of atomic hydrogen by a strong laser pulse. After testing our predictions against a variety of previous ...
Ejected-Electron Angular Distribution in Multi-Photon Ionization of Atomic Hydrogen by Ultrashort High-Intensity Laser Pulses Abeln, Brant; Weflen, Daniel; Grum-Grzhimailo, Alexei (2009-04-21)We have studied the multi-photon ionization of atomic hydrogen by an intense attosecond laser pulse. We numerically integrate the time-dependent Schrodinger equation by propagating the initial H(1s) state after the onset ...