259 citations
- University of StavangerNO6 papers
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4 papers · 1 filter
Propagation in crossed electric and magnetic fields: The quantum source approach
Tobias Kramer, Christian Bracher
The propagation of electrons in static and uniform electromagnetic fields is a standard topic of classical electrodynamics. The Hamilton function is given by a quadratic polynomial…
Fast and Accurate Coarsening Simulation with an Unconditionally Stable Time Step
Benjamin P. Vollmayr-Lee, Andrew D. Rutenberg
We present Cahn-Hilliard and Allen-Cahn numerical integration algorithms that are unconditionally stable and so provide significantly faster accuracy-controlled simulation. Our sta…
Electron propagation in crossed magnetic and electric fields
Tobias Kramer, Christian Bracher, Manfred Kleber
Laser-atom interaction can be an efficient mechanism for the production of coherent electrons. We analyze the dynamics of monoenergetic electrons in the presence of uniform, perpen…
Observed photodetachment in parallel electric and magnetic fields
John N. Yukich, Tobias Kramer, Christian Bracher
We investigate photodetachment from negative ions in a homogeneous 1.0-T magnetic field and a parallel electric field of approximately 10 V/cm. A theoretical model for detachment i…