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physics.atom-ph2023
Engineering the sensitivity of macroscopic physical systems to variations in the fine-structure constant
Beata Zjawin, Marcin Bober, Roman Ciuryło +3
Experiments aimed at searching for variations in the fine-structure constant are based on spectroscopy of transitions in microscopic bound systems, such as atoms and ions, or r…
cond-mat.stat-mech2023★ 4 cited
Spectral line shape in the limit of frequent velocity-changing collisions
Nikodem Stolarczyk, Piotr Wcisło, Roman Ciurłyo
The speed-dependent spectral line profiles collapse into a simple Lorentz profile in the regime dominated by the velocity-changing collisions. We derive general formulas for the ef…