Plasma Physics: Theory, Methods and Applications
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Physics General".
Deadline for manuscript submissions: 20 September 2024 | Viewed by 319
Special Issue Editor
Special Issue Information
Dear Colleagues,
Plasma is the fourth type of mass, besides solid, liquid, and gas. It is composed of a mixture of electrons, anions, cations, neutrals, photons, etc. Electromagnetic interactions exists among plasma, e.g., the ambi-polar diffusion potential, which leads to quasi-neutral plasma. This is a weak coupling interaction. In addition, plasma has the ability to shield any charge inserted into it, i.e., the famous Debye’s shielding, which embodies the collective interaction of plasma. Moreover, when the translational speed of certain plasma species exceeds over Bolm’s velocity, the electrical neutrality is broken, and the net charge evolves self-consistently from plasma, giving the double layer, soliton, shock, and sheath structure. This is the nonlinear behavior of plasma which forms due to the strong coupling interaction.
There are two types of plasma: gaseous discharge plasma in the laboratory and astrophysics plasma in cosmic space. Many methods can be used to generate discharging plasma, e.g., direct current power source, radio frequency power source, pulse power source, hollow cathode structure, glow or arc, micro-discharge, atmospheric or low pressure, plasma jet and torch filament, dielectric barrier discharge, etc. The generated plasma is either in thermal and chemical equilibrium or not. The plasma of thermal and chemical equilibrium, i.e., arc plasma, has a high entropy value and can be used in chemical synthesis. The plasma of non-thermal and chemical equilibrium, i.e., glow plasma, has low dielectric damage and can be used as film in the deposition and etching process. Most laboratory plasmas of gaseous discharge are low-temperature plasma, except for nuclear fusion plasma. Nuclear fusion can be achieved by two means, i.e., magnetic confinement and inertial confinement, and, hence, the plasma formed is called high-temperature plasma (100 million degree Celsius). Cosmic plasma pays attention to the double layer nonlinear structure and wave dynamics of plasma and its coupling to the magnetic field.
This Special Issue related to plasma physics is focused on the theory, method, and application of plasma. Therefore, we welcome the submission of any type of works that report on the generation of laboratory plasma, the investigation of its property by means of numerical simulation and experimental diagnostics, and the application of plasma, including both low-temperature and high-temperature plasmas. Moreover, this Special Issue is also suited for the submission of works that attempt to build relations between laboratory plasma and astrophysics plasma.
Dr. Shuxia Zhao
Guest Editor
Manuscript Submission Information
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Keywords
- low-temperature plasma
- thermal nuclear fusion plasma
- film deposition and etching process
- numerical simulation and experimental diagnostic
- astrophysics plasma
- thermal and chemical equilibrium
