Blar i Department of Physics and Technology på tidsskrift "Physical Review A (PRA)"
Viser treff 1-5 av 5
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Breakdown of the nonrelativistic approximation in superintense laser-matter interactions
(Peer reviewed; Journal article, 2019)We study the breakdown of the nonrelativistic approximation in the multiphoton ionization of atomic hydrogen by some intense x-ray laser pulse, in a regime where the dipole approximation is no longer valid. To this end, ... -
Monolithic atom interferometry
(Journal article; Peer reviewed, 2023)Atom and, more recently, molecule interferometers are used in fundamental research and industrial applications. Most atom interferometers rely on gratings made from laser beams, which can provide high precision, but cannot ... -
Relativistic effects in photoionizing a circular Rydberg state in the optical regime
(Journal article; Peer reviewed, 2020)We study the photoionization process of a hydrogen atom initially prepared in a circular Rydberg state. The atom is exposed to a two-cycle laser pulse with a central wavelength of 800 nm. Before the atom approaches saturation, ... -
Schrödinger formulation of the nondipole light-matter interaction consistent with relativity
(Journal article; Peer reviewed, 2020)An alternative and powerful Schrödinger-like equation for describing beyond dipole laser-matter interactions and leading relativistic corrections is derived. It is shown that this particular formulation is numerically very ... -
True-to-size surface mapping with neutral helium atoms
(Journal article; Peer reviewed, 2021)Three-dimensional mapping of microscopic surface structures is important in many applications of technology and research, including areas as diverse as microfluidics, MEMS, and geoscience. However, on the nanoscale, using ...