Reexamining circular dichroism in photoemission from a topological insulator by Ittai Sidilkover, Yun Yen, Sunil Wilfred D'Souza, Jakub Schusser, Aki Pulkkinen, Costel R. Rotundu, Makoto Hashimoto, Donghui Liu, Zhi-Xun Shen, Ján Minár, Michael Schüler, Hadas Soifer, Jonathan A. Sobota

“…Angle-resolved photoemission spectroscopy (ARPES) with variable circular light polarization, known as circular dichroism (CD), has been assumed to be a direct probe of OAM and, by proxy, of the Berry curvature of electronic bands in energy- and momentum-space. …”
Get full text

Modeling of laser beam absorption on rough surfaces, powder beds and sparse powder layers by Giandomenico Lupo, Martin Niemann, Christoph Goniva, Wojciech Szmyt, Xiao Jia, Vladyslav Turlo

“…The energy transfer from a laser beam source to material surfaces with arbitrary geometrical features and variable surface roughness is the crucial step in many high-end engineering applications. …”
Get full text