101 citations · 402 across the 7 of their papers we have counts for
7 papers
Effects of orientation and alignment in high-harmonic generation and above threshold ionization
C. B. Madsen, A. S. Mouritzen, T. K. Kjeldsen +1
When molecules interact with intense light sources of femtosecond or shorter duration the rotational degrees of freedom are frozen during the response to the strong nonperturbative…
Solving the m-mixing problem for the three-dimensional time-dependent Schrödinger equation by rotations: application to strong-field ionization of H2+
T. K. Kjeldsen, L. A. A. Nikolopoulos, L. B. Madsen
We present a very efficient technique for solving the three-dimensional time-dependent Schrodinger equation. Our method is applicable to a wide range of problems where a fullly thr…
Strong-field ionization of atoms and molecules: The two-term saddle point method
Thomas Kim Kjeldsen, Lars Bojer Madsen
We derive an analytical formula for the ionization rate of neutral atoms and molecules in a strong monochromatic field. Our model is based on the strong-field approximation with tr…
Molecular orbitals and strong-field approximation
Thomas Kim Kjeldsen, Lars Bojer Madsen
V.I. Usachenko and S.-I. Chu [Phys. Rev. A {\bf 71}, 063410 (2005)] discuss the molecular strong-field approximation in the velocity gauge formulation and indicate that some of our…
Vibrational excitation of diatomic molecular ions in strong-field ionization of diatomic molecules
Thomas Kim Kjeldsen, Lars Bojer Madsen
A model based on the strong-field and Born-Oppenheimer approximations qualitatively describes the distribution over vibrational states formed in a diatomic molecular ion following…
Strong-field ionization of diatomic molecules and companion atoms: strong-field approximation and tunneling theory including nuclear motion
Thomas Kim Kjeldsen, Lars Bojer Madsen
We present a detailed comparison of strong-field ionization of diatomic molecules and their companion atoms with nearly equal ionization potentials. We perform calculations in the…