Bronin et al.[Phys. Rev. E108, 045209 (2023)] recently reported molecular-dynamics simulations of ultracold neutral plasmas expanding in a quadrupole magnetic field. While the main results are in agreement with prior experimental measurements, we present data showing oscillations not captured in the simulations of Bronin et al. Plasmas formed using pulsed or continuous-wave ionization processes have similar confinement times.
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USTHB, Theoret Phys Lab, Fac Phys, BP 32 Bab Ezzouar, Algiers 16079, AlgeriaUSTHB, Theoret Phys Lab, Fac Phys, BP 32 Bab Ezzouar, Algiers 16079, Algeria
Mebrek, Rima
Fermous, Rachid
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Djilali Bounaama Univ, Fac Sci & Technol, Route Theniet El Had, Khemis Miliana 44225, AlgeriaUSTHB, Theoret Phys Lab, Fac Phys, BP 32 Bab Ezzouar, Algiers 16079, Algeria
Fermous, Rachid
Djebli, Mourad
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USTHB, Theoret Phys Lab, Fac Phys, BP 32 Bab Ezzouar, Algiers 16079, AlgeriaUSTHB, Theoret Phys Lab, Fac Phys, BP 32 Bab Ezzouar, Algiers 16079, Algeria