The atomic hydrogen target has played a pivotal role in the development of quantum collision theory. The key complexities of computationally managing the countably infinite …
The theory of measurement projection operators in grid-based time-dependent wave-packet calculations involving electronic continua in atoms and molecules is discussed. A hierarchy …
In this work, we develop a wave-packet continuum-discretization approach to ion-atom collisions that includes rearrangement processes. The total scattering wave function is …
A general single-center close-coupling approach based on a continuum-discretization procedure is developed to calculate excitation and ionization processes in ion-atom …
Wavepacket continuum-discretisation approach is used to calculate excitation, ionization and electron-capture (ec) cross sections for proton collisions with n= 2 states of atomic …
Excitation and charge transfer cross sections for collisions of protons with hydrogen are calculated by direct solution of the time-dependent Schrödinger equation on a three …
Atomic collisions offer some unique opportunities to study atomic structure and reaction mechanisms in experiment and theory, especially for projectiles of high atomic number …
M McGovern, D Assafrão, JR Mohallem… - Physical Review A …, 2009 - APS
We develop a method for extracting fully differential cross sections for ionization from an impact-parameter treatment of the collision. The approach uses pseudostates. The method …
Utilizing a lattice representation of the wave function and operators, we have solved the time- dependent Schrödinger equation over a wide range of collision energies and impact …