38 citations · 134 across the 11 of their papers we have counts for
12 papers
Bound-state Compton scattering of linearly polarized photons
Jonas Sommerfeldt, Nick M. Mayer, Anna Maiorova +4
We present a theoretical study of Compton scattering of X- and -rays by a -shell electron. Special attention is paid to the double-differential cross section and polarization…
Interaction of a Poincaré beam with optically polarized atoms in the presence of constant magnetic field
S. Ramakrishna, S. Fritzsche
Recent studies have highlighted the frequent applications of structured light modes in optically pumped atomic magnetometers. In this work, we theoretically explore how a Poincaré…
A distorted-wave approach to the elastic scattering of twisted electrons
A. L. Harris, S. Fritzsche
The elastic scattering of spinless vortex electrons on realistic target atoms has been investigated. In particular, expressions are derived in different approximations for the elas…
Quadratic Zeeman and Electric Quadrupole Shifts in Highly Charged Ions
Jan Gilles, Stephan Fritzsche, Lukas J. Spieß +2
Recent advances in high-precision spectroscopy of highly charged ions necessitate an understanding of energy shifts of ionic levels caused by external electric and magnetic fields.…
Hanle effect for lifetime determinations in the soft X-ray regime
Moto Togawa, Jan Richter, Chintan Shah +16
By exciting a series of transitions in helium-like nitrogen ions with linearly polarized mono…
Interaction of vector light beams with atoms exposed to a time-dependent magnetic field
Shreyas Ramakrishna, Riaan P. Schmidt, Anton A. Peshkov +3
During recent years interest has been rising for applications of vector light beams towards magnetic field sensing. In particular, a series of experiments were performed to extract…
Coulomb excitation of hydrogen atoms by vortex ion beams
Anna V. Maiorova, Dmitry Karlovets, Stephan Fritzsche +2
Coulomb excitation of hydrogen atoms by vortex protons is theoretically investigated within the framework of the non--relativistic first--Born approximation and the density matrix…
Resonant sequential two-photon ionization of atoms by twisted and plane-wave light
V. P. Kosheleva, V. A. Zaytsev, R. A. Müller +2
We study the resonant sequential two-photon ionization of neutral atoms by a combination of twisted- and plane-wave light within a fully relativistic framework. In particular, the…
Modification of multipole transitions by twisted light
Sabrina. A. -L. Schulz, Stephan Fritzsche, Robert A. Müller +1
A theoretical analysis is presented for the excitation of single many-electron atoms and ions by twisted (or vortex) light. Special emphasis is put on excitations that can proceed…
Elastic scattering of twisted electrons by diatomic molecules
A. V. Maiorova, S. Fritzsche, R. A. Mueller +1
The elastic scattering of twisted electrons by diatomic molecules is studied within the framework of the non-relativistic first Born approximation. In this process, the coherent in…
Caustic structures in the spectrum of x-ray Compton scattering off electrons driven by a short intense laser pulse
D. Seipt, A. Surzhykov, S. Fritzsche +1
We study the Compton scattering of x-rays off electrons that are driven by a relativistically intense short optical laser pulse. The frequency spectrum of the laser-assisted Compto…
Structured x-ray beams from twisted electrons by inverse Compton scattering of laser light
D. Seipt, A. Surzhykov, S. Fritzsche
The inverse Compton scattering of laser light on high-energetic twisted electrons is investigated with the aim to construct spatially structured x-ray beams. In particular, we anal…