The dependence of the self-generated magnetic fields associated with a laser-produced plasma on position, time, and background pressure has been investigated. The presence of the ambient background is found to influence the generation of the fields during the laser irradiation of the plasma. This influence continues long after laser shut-off and causes the fields to reverse their direction. (Author)
|Statement||by A.W. Cooper and F. Schwirzke|
|Contributions||Schwirzke, Fred R., Naval Postgraduate School (U.S.)|
|The Physical Object|
|Pagination||1 v. (various pagings) :|
This book deals with the physics of low temperature plasmas of atomic and molecular gases. Several diagnostic methods for nonequilibrium plasma are described. The relevant elementary processes governing the kinetics and transport of atomic and chemically active molecular plasmas are discussed and numerical models of plasmas aimed at Cited by: Plasmas are successfully implemented in various fields of materials processing, like e.g., cleaning, etching and coating. The high reactivity needed is achieved in non-equilibrium plasmas at pressures below Pa, based on the electron temperature orders of magnitude higher than the temperature of ions and neutral atoms in the plasma gas. Non-equilibrium plasma: t/ieorr and experiment found previously . It is obvious that, e.g., the narrow line of case (a) shifted by roughly one Rydberg to lower energies (as compared to theory and to those cases, where drift is prevented) cannot be explained by any spatial by: 9. Non-equilibrium in low-temperature plasmas Francesco Taccognaa and Giorgio Dilecce CNR NANOTEC – PLasMI Lab, via Amendola/D, Bari, Italy Received 26 July / Received in ﬁnal form 4 October Published online 22 November – c EDP Sciences, Societ`a Italiana di Fisica, Springer-Verlag Abstract.
Atmospheric Pressure Pulsed-Periodical Spark Generator Forming Fast Moving Non-Equilibrium Plasma Clouds Article in IEEE Transactions on Plasma Science 40(11) . non-equilibrium plasmas in medicine shown to be able to destroy cancer cells, affect but to a much lesser degree hu- man stem cells and even cause differentiation of the stem cells. The non-equilibrium model and the source terms are given in Sec. and the transport quanti ties needed in the balance equations in Sec. All this will be combined in Sec. This chapter ends with some remarks about the set of independent variables in a . Non-Equilibrium Plasma. In non-equilibrium plasma, the heavy particle temperature is much lower than the electron temperature. The background gas in which the electrons and ions reside is more or less close to room temperature. There are considerable deviations from equilibrium. None of the aforementioned relations are still valid.
We describe a model for self-consistent computations of ionic level populations and the radiation ﬁeld in transient non-equilibrium plasmas. In this model, the plasma density effects are described using the effective-statistical-weights (ESW) formalism based on the statistics of . An investigation of non-equilibrium effects in thermal argon plasmas Citation for published version (APA): Rosado, R. J. (). An investigation of non-equilibrium effects in thermal argon plasmas. R.M. Kiehn is the author of Plasmas and Non-Equilibrium Electrodynamics Vol 4 Non-Equilibrium Systems and Irreversible Processes ( avg rating, 0 r. Definition. Plasma is a state of matter in which an ionized gaseous substance becomes highly electrically conductive to the point that long-range electric and magnetic fields dominate the behaviour of the matter. The plasma state can be contrasted with the other states: solid, liquid, and gas.. Plasma is an electrically neutral medium of unbound positive and negative particles (i.e. the.