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Celik Y, Tsankov TV, Aramaki M, et al. Electron cooling in decaying low-pressure plasmas. Phys Rev E Stat Nonlin Soft Matter Phys. 2012;85(4):046407doi: 10.1103/PhysRevE.85.046407.
Celik, Y., Tsankov, T. V., Aramaki, M., Yoshimura, S., Luggenhölscher, D., & Czarnetzki, U. (2012). Electron cooling in decaying low-pressure plasmas. Physical review. E, Statistical, nonlinear, and soft matter physics, 85(4), 046407. https://doi.org/10.1103/PhysRevE.85.046407
Celik, Yusuf, et al. "Electron cooling in decaying low-pressure plasmas." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 85,4 (2012): 046407. doi: https://doi.org/10.1103/PhysRevE.85.046407
Celik Y, Tsankov TV, Aramaki M, Yoshimura S, Luggenhölscher D, Czarnetzki U. Electron cooling in decaying low-pressure plasmas. Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Apr;85(4):046407. doi: 10.1103/PhysRevE.85.046407. Epub 2012 Apr 09. PMID: 22680586.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Apr;85(4):046407. doi: 10.1103/PhysRevE.85.046407. Epub 2012 Apr 09.

Electron cooling in decaying low-pressure plasmas.

Physical review. E, Statistical, nonlinear, and soft matter physics

Yusuf Celik, Tsanko V Tsankov, Mitsutoshi Aramaki, Shinji Yoshimura, Dirk Luggenhölscher, Uwe Czarnetzki

Affiliations

  1. Institute for Plasma and Atomic Physics, Ruhr University Bochum, 44780 Bochum, Germany. [email protected]

PMID: 22680586 DOI: 10.1103/PhysRevE.85.046407

Abstract

A simple analytical fluid dynamic model is developed for evaporative electron cooling in a low-pressure decaying plasma and compared to a two-dimensional simulation and experimental data for the particular case of argon. Measured electron temperature and density developments are fully reproduced by the ab initio model and the simulation. Further, it is shown that in the late afterglow thermalization of electrons occurs by coupling to the ion fluid via Coulomb collisions at sufficiently high electron densities and not by coupling to the neutral background.

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